Premium roof cargo boxes add protected storage, but the right choice depends on your vehicle, gear, and how often you need access. I rank the Thule Motion 3 Rooftop Cargo Box as the best overall pick, with the Yakima SkyBox NX XXL standing out for large loads and the INNO Wedge 660 for a lower-profile setup. The main tradeoffs are cargo capacity versus roof clearance, convenient access versus vehicle-specific fit, and premium features versus a simpler design. A larger box can carry more, but it may interfere with a rear hatch or make loading awkward. Read on for the full breakdown and guidance on choosing a box that works with your car and your trips.
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Key Takeaways
- The Thule Motion 3 is the most balanced pick: it leads the roundup for shoppers seeking a premium all-around option rather than maximum capacity or the smallest footprint.
- Capacity varies widely across the lineup: the Relaxcabine’s stated 26-cubic-foot capacity and the Yakima SkyBox NX XXL suit bulkier loads, while the 11- to 11.5-cubic-foot INNO and D SOLUTIONS models favor more compact storage needs.
- Opening direction changes day-to-day usability: the SportRack Horizon 2 is specified for passenger-side access, the Vista XL opens from the rear, and the Thule Pulse 2 L offers dual-side opening.
- Low-profile and compact options involve a storage compromise: the INNO Wedge 660 and INNO BRM720BG take less space than the biggest boxes, but they cannot match their load volume.
- Fit and vehicle clearance matter as much as box capacity: a roomy model can still be a poor match if it blocks the hatch, exceeds roof limits, or is awkward to load on a tall vehicle.
| Thule Motion 3 Rooftop Cargo Box |  | Best for Secure, Convenient Loading | Brand: Thule | Model: Motion 3 | Listed volume: 3 liters | VIEW ON AMAZON | See Our Full Breakdown |
| PM PERFORMOTOR Hard Shell Rooftop Cargo Box, 13 Cubic Feet |  | Best Value-Style Weatherproof Hard Shell | Brand: PM PERFORMOTOR | Model: PM-98528-A | Volume: 13 cubic feet | VIEW ON AMAZON | See Our Full Breakdown |
| INNO Wedge 660 White Roof Cargo Box, 11 cu ft |  | Best Low-Profile Pick | Brand: INNO | Model: Wedge 660 (BRM660WH) | Capacity: 11 cubic feet | VIEW ON AMAZON | See Our Full Breakdown |
| SportRack Horizon 2 Roof Cargo Box, 16 Cubic Feet, Passenger-Side Access |  | Best for One-Side Loading | Brand: SportRack | Model: SR7030 | Volume: 16 cubic feet | VIEW ON AMAZON | See Our Full Breakdown |
| SportRack Vista XL Rear-Opening Cargo Box, Black |  | Best for Maximum Capacity and Rear Access | Storage capacity: 18 cubic feet (510 L) | Material: UV-resistant ABS plastic | Opening: Rear | VIEW ON AMAZON | See Our Full Breakdown |
| Relaxcabine 26 Cu Ft Hard-Shell Rooftop Cargo Box, White |  | Best for Maximum Capacity | Storage capacity: 26 cubic feet | Load capacity: 150 lbs | Dimensions: 87.2 × 38.19 × 17.36 in | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Force 3 XL Rooftop Cargo Box |  | Best for Everyday Convenience | Volume: 18 cu ft | Dimensions: 89 × 18 × 40 in | Weight: 8 lb (as listed) | VIEW ON AMAZON | See Our Full Breakdown |
| Yakima RocketBox Pro 14 Rooftop Cargo Box |  | Best for Smaller Vehicles | Volume: 14 cubic feet | Dimensions: 74 × 33 × 16 in | Weight: 50.8 lbs | VIEW ON AMAZON | See Our Full Breakdown |
| INNO BRM720BG Roof Gear Case, Matte Beige, 11.5 cu ft |  | Best for Ski and Snowboard Trips | Capacity: 11.5 cu ft | Ski capacity: 6–8 skis | Snowboard capacity: 4 snowboards | VIEW ON AMAZON | See Our Full Breakdown |
| Thule Pulse 2 L Roof-Mounted Cargo Box, 450 L, Dual-Side Opening |  | Best for Buyers Who Prioritize Mounting Feedback | Volume: 450 liters | Load capacity: 75 kg | Dimensions: 81 × 17 × 37 in | VIEW ON AMAZON | See Our Full Breakdown |
| Yakima SkyBox NX XXL Hard-Shell Rooftop Cargo Carrier with SKS Lock |  | Best for Long Skis and Group Trips | Brand: Yakima | Capacity: 22 cubic feet | Maximum ski length: Up to 215 cm | VIEW ON AMAZON | See Our Full Breakdown |
| D SOLUTIONS Hard Shell Rooftop Cargo Carrier, 11 Cubic Feet |  | Best for Weather Protection in a Compact Box | Brand: D SOLUTIONS | Material: ABS plastic | Dimensions: 53 x 34 x 15 inches | VIEW ON AMAZON | See Our Full Breakdown |
| premium roofcargo boxe | Material | Warranty | Water resistance | Dimensions |
|---|---|---|---|---|
| Thule Motion 3 Rooftop Cargo B | Plastic | Limited lifetime | Water resistant | — |
| PM PERFORMOTOR Hard Shell Roof | Impact-resistant ABS plastic | 30 days | Waterproof | 56.3 × 36.8 × 16.25 inches |
| INNO Wedge 660 White Roof Carg | — | Limited lifetime | — | — |
| SportRack Horizon 2 Roof Cargo | — | Limited lifetime | Not water resistant | — |
| SportRack Vista XL Rear-Openin | UV-resistant ABS plastic | 25 years | — | 63 × 38 × 19 inches (160 × 96.5 × 48 cm) |
| Relaxcabine 26 Cu Ft Hard-Shel | ABS+PC composite | — | Water resistant | 87.2 × 38.19 × 17.36 in |
| Thule Force 3 XL Rooftop Cargo | Plastic | Limited lifetime | — | 89 × 18 × 40 in |
| Yakima RocketBox Pro 14 Roofto | Plastic | Limited lifetime | — | 74 × 33 × 16 in |
| INNO BRM720BG Roof Gear Case | — | Limited lifetime | — | — |
| Thule Pulse 2 L Roof-Mounted C | ASA-ABS plastic | — | Listed as not water resistant | 81 × 17 × 37 in |
| Yakima SkyBox NX XXL Hard-Shel | Plastic | — | Not water resistant | — |
| D SOLUTIONS Hard Shell Rooftop | ABS plastic | — | Waterproof | 53 x 34 x 15 inches |
More Details on Our Top Picks
Thule Motion 3 Rooftop Cargo Box
The Thule Motion 3 puts its emphasis on mounting and lid feedback rather than a published high-capacity figure. Its PowerClick torque indicator helps signal when the box is attached securely, while SlideLock shows when the lid is closed and locked. Those cues may suit buyers who want a more guided setup than the included hardware on the PM PERFORMOTOR 13 Cubic Feet box. A wide handle also supports one-handed opening and closing, and the forward-leaning profile is designed to reduce drag. The tradeoff is that the supplied listing gives a volume of just 3 liters, which does not establish useful luggage capacity and should be checked before purchase. At 59.5 pounds, it is also heavier than the 42-pound INNO Wedge 660. This is the pick for shoppers prioritizing Thule’s mounting and closure details, not those choosing by cargo volume alone.
Pros:- PowerClick torque indicator provides feedback during mounting.
- SlideLock indicates when the lid is closed and secured.
- Forward-leaning aerodynamic profile is designed to reduce drag.
- Wide handle supports one-handed opening and closing.
Cons:- Listed volume is only 3 liters, far below the 13- to 18-cubic-foot figures of several alternatives.
- At 59.5 pounds, it weighs more than the INNO Wedge 660.
- Interior light, protective liner, and storage cover are listed as accessories rather than included components.
Best for: Drivers who prioritize guided mounting, clear lid-lock feedback, and a limited-lifetime warranty over a clearly specified large capacity.
Not ideal for: Families planning to carry several suitcases or bulky gear, because the listed 3-liter volume is very limited and should be verified before buying.
- Brand:Thule
- Model:Motion 3
- Listed volume:3 liters
- Item weight:59.5 pounds
- Material:Plastic
- Water resistance:Water resistant
- Mounting type:Roof mount
- Closure:SlideLock
- Warranty:Limited lifetime
Our verdict“Choose the Motion 3 for its mounting and closure feedback, but verify its listed capacity if you need room for substantial cargo.”
PM PERFORMOTOR Hard Shell Rooftop Cargo Box, 13 Cubic Feet
The PM PERFORMOTOR 13 Cubic Feet is a straightforward choice for buyers who want a weatherproof hard shell with useful access from either side. Its 13-cubic-foot capacity sits between the smaller INNO Wedge 660 at 11 cubic feet and the SportRack Vista XL at 18, making it a middle-ground option for luggage without the Vista’s larger footprint. The ABS shell is described as impact-resistant and waterproof, while keys and mounting brackets are included. That package is more explicit about weather protection than the SportRack Horizon 2, which is listed as not water resistant. The compromises are meaningful: it requires crossbars, carries up to 110 pounds only when evenly distributed, and its 30-day warranty is shorter than the limited-lifetime coverage listed for the INNO and Horizon. Buyers looking at a less-established option should also weigh the limited product-history information supplied.
Pros:- 13 cubic feet provides more room than the INNO Wedge 660’s 11 cubic feet.
- Waterproof, impact-resistant ABS shell is specified for weather protection.
- Dual-sided opening gives access from either side of the vehicle.
- Includes mounting brackets, installation hardware, and keys.
Cons:- Requires factory or aftermarket roof crossbars.
- Maximum capacity is 110 pounds when evenly distributed.
- 30-day warranty is shorter than the limited-lifetime warranties listed for some alternatives.
Best for: Drivers with factory or aftermarket crossbars who want a weatherproof, dual-sided box with moderate capacity and included mounting hardware.
Not ideal for: Buyers who need a long warranty, a high stated load limit, or a box that mounts without crossbars.
- Brand:PM PERFORMOTOR
- Model:PM-98528-A
- Volume:13 cubic feet
- Dimensions:56.3 × 36.8 × 16.25 inches
- Maximum capacity:110 pounds, evenly distributed
- Material:Impact-resistant ABS plastic
- Water resistance:Waterproof
- Opening:Dual-sided
- Warranty:30 days
Our verdict“Pick this box for weather protection and two-sided access in a mid-size package, provided its short warranty and crossbar requirement suit your setup.”
INNO Wedge 660 White Roof Cargo Box, 11 cu ft
The INNO Wedge 660 is the lineup’s low-profile specialist: its 11-cubic-foot shell stands 11 inches tall externally, a useful shape for carrying skis or boards without choosing a taller box. It accommodates 6–8 pairs of skis or up to four snowboards, and opens from either side, so loading does not depend on which side of the vehicle is accessible. Compared with the larger SportRack Vista XL, the Wedge gives up seven cubic feet of storage but weighs 42 pounds and has a more compact profile. Memory Mount hardware is designed to speed installation, while the safety lock prevents key removal until the box is secured. Its T-slot adapter for aero base bars is sold separately, which can add a required step for some rack setups. This is a focused gear carrier, not the best choice for maximizing family luggage capacity.
Pros:- Low 11-inch exterior height suits buyers seeking a low-profile cargo box.
- Dual-side opening offers flexible access.
- Specified capacity for 6–8 pairs of skis or up to four snowboards.
- Memory Mount hardware is designed for quick installation and removal.
Cons:- 11 cubic feet is less storage than the PM PERFORMOTOR’s 13 or Vista XL’s 18 cubic feet.
- T-slot adapter for aero base bars is sold separately.
- At 42 pounds, it is heavier than some buyers may want to lift during installation.
Best for: Skiers and snowboarders who want a low-profile hard shell with dual-side access and a specified fit for several pairs of winter gear.
Not ideal for: Families needing maximum luggage volume, or drivers with aero bars who do not want to buy a separate T-slot adapter.
- Brand:INNO
- Model:Wedge 660 (BRM660WH)
- Capacity:11 cubic feet
- Exterior dimensions:80 × 33 × 11 inches
- Interior dimensions:72 × 25.6 × 9.2 inches
- Weight:42 pounds
- Opening:Right and left sides
- Winter gear capacity:6–8 pairs of skis or up to 4 snowboards
- Warranty:Limited lifetime
Our verdict“Choose the Wedge 660 for low-profile ski and snowboard transport, not for the largest possible cargo load.”
SportRack Horizon 2 Roof Cargo Box, 16 Cubic Feet, Passenger-Side Access
The SportRack Horizon 2 offers a practical middle ground for buyers who want more space than the INNO Wedge 660 without stepping up to the Vista XL’s 18 cubic feet. Its 16-cubic-foot capacity and passenger-side opening make it suited to loading from the curb side, while CentralLocking secures multiple points. The attachment kit works with SportRack systems, square and round bars, and most factory racks, giving it broader stated compatibility than the crossbar-dependent PM PERFORMOTOR. Its main drawback is protection from the elements: the listing says it is not water resistant, unlike the PM PERFORMOTOR’s waterproof shell. That makes it a weaker fit for gear that must stay dry in wet conditions. The 110-pound load limit also calls for attention to the combined weight of cargo and box. I’d rank it for capacity and passenger-side access, not all-weather security.
Pros:- 16 cubic feet offers more room than the INNO Wedge 660’s 11 cubic feet.
- Passenger-side opening supports curb-side loading.
- Compatible with SportRack systems, square and round bars, and most factory racks.
- CentralLocking secures multiple locking points.
Cons:- Not water resistant, unlike the PM PERFORMOTOR hard shell.
- Requires a compatible roof rack.
- 110-pound load limit can restrict heavy cargo.
Best for: Drivers with compatible roof racks who want 16 cubic feet of space and prefer loading from the passenger side.
Not ideal for: People transporting moisture-sensitive luggage in wet weather, because the box is listed as not water resistant.
- Brand:SportRack
- Model:SR7030
- Volume:16 cubic feet
- Load capacity:110 pounds (50 kg)
- Access:Passenger-side opening
- Attachment:U-bolt attachment kit
- Compatibility:SportRack systems, square bars, round bars, and most factory racks
- Water resistance:Not water resistant
- Warranty:Limited lifetime
Our verdict“Choose the Horizon 2 for roomy, passenger-side access on a compatible rack, but skip it if weather protection is a priority.”
SportRack Vista XL Rear-Opening Cargo Box, Black
The SportRack Vista XL leads this group on stated storage volume, with 18 cubic feet for bulky trip gear that would crowd the 11-cubic-foot INNO Wedge 660. Its rear-opening lid is the defining difference: it gives access from behind the vehicle rather than the passenger-side approach of the SportRack Horizon 2. That layout can be handy when side access is constrained, though buyers should check how the lid and vehicle hatch interact before settling on a mount position. Tool-free mounting and included hardware simplify installation compared with a setup that depends on separately purchased adapters, and UV-resistant ABS provides a specified material benefit. Capacity comes with limits: the maximum load is 100 pounds, lower than the Horizon 2’s 110-pound figure, and the rack’s compatibility and crossbar spacing need checking. It is a volume-first choice, not a weatherproofing pick.
Pros:- 18 cubic feet is the largest stated capacity among these five products.
- Rear opening gives a distinct access point compared with the Horizon 2’s passenger-side lid.
- Tool-free mounting hardware supports installation and removal without tools.
- UV-resistant ABS construction and an included lock are specified.
Cons:- 100-pound maximum load is lower than the Horizon 2’s 110-pound limit.
- Rack compatibility and crossbar spacing must be checked before purchase.
- The rear-opening layout may need careful positioning around the vehicle hatch.
Best for: Road-trip families carrying bulky, lighter luggage who want the lineup’s largest stated volume and rear access.
Not ideal for: Drivers carrying heavy equipment, or anyone whose roof rack does not match the specified bar fit and spacing.
- Storage capacity:18 cubic feet (510 L)
- Material:UV-resistant ABS plastic
- Opening:Rear
- Maximum load capacity:100 pounds (45 kg)
- Dimensions:63 × 38 × 19 inches (160 × 96.5 × 48 cm)
- Crossbar spacing:23 5/8–29 3/4 inches (60–75.5 cm)
- Mounting:Tool-free; fits SportRack systems, square bars, round bars, and most factory racks
- Color:Black
- Warranty:25 years
Our verdict“Choose the Vista XL when cargo volume and rear access matter most, but verify rack fit and keep the load within its 100-pound limit.”
Relaxcabine 26 Cu Ft Hard-Shell Rooftop Cargo Box, White
For buyers who want to move bulky luggage or family gear in one roof box, the 26-cubic-foot capacity is the defining advantage. It offers substantially more room than the Thule Force 3 XL at 18 cubic feet, though the added storage comes with a 150-pound load limit and a 52.6-pound box to lift onto the roof. Dual-side opening makes loading easier when parking access varies, while tool-free mounting is designed to fit many factory and aftermarket racks. The central lock secures the locking points, but the listing describes the shell as water resistant rather than waterproof. I’d choose this over smaller options when volume matters more than keeping roof weight and box size down.
Pros:- 26 cubic feet of storage accommodates more gear than the Thule Force 3 XL
- Dual-side opening gives access from either side of the vehicle
- Tool-free installation is designed for many factory and aftermarket roof racks
- Central locking system secures all locking points
Cons:- 52.6-pound box may be awkward to lift and install
- 150-pound maximum load calls for attention to the combined roof and cargo limits
- Water resistance is specified, but waterproof protection is not
Best for: Families or road-trippers carrying bulky luggage who have a compatible roof rack and can manage a 52.6-pound box.
Not ideal for: Drivers with limited roof-load capacity, little storage space for an oversized box, or a need for a clearly stated waterproof design.
- Storage capacity:26 cubic feet
- Load capacity:150 lbs
- Dimensions:87.2 × 38.19 × 17.36 in
- Weight:52.6 lbs
- Material:ABS+PC composite
- Opening:Dual-side
- Fit:Universal; fits most factory and aftermarket roof racks
- Water resistance:Water resistant
Our verdict“Choose the Relaxcabine if maximizing enclosed cargo space matters more than keeping the box lightweight or compact.”
Thule Force 3 XL Rooftop Cargo Box
The Force 3 XL is the everyday-use pick for buyers who value clear mounting and closure cues over maximum volume. Its quick-mount system clicks into place, and SlideLock indicates when the lid is closed, giving buyers useful feedback during setup and packing. At 18 cubic feet, it has less capacity than the Relaxcabine 26 Cu Ft, but that smaller footprint may suit regular trips better than carrying a larger box year-round. Both-side access helps when another vehicle or a wall blocks one side. The tradeoff is practical: it needs a compatible roof rack, and the supplied product data lists its weight as just 8 pounds, a figure buyers may want to verify before handling or planning installation.
Pros:- Quick-mount system clicks into place and indicates secure attachment
- SlideLock indicates when the lid is securely closed
- Both-side access helps with loading in tight parking situations
- 18 cubic feet offers more capacity than the compact Yakima RocketBox Pro 14
Cons:- Requires a compatible roof rack
- Provides less storage than the 26-cubic-foot Relaxcabine
- Listed weight of 8 lb is unusually low for a roof box and may merit verification
Best for: Drivers who use a roof box regularly and want clear attachment and lid-closure indicators, with a compatible roof rack already installed.
Not ideal for: Buyers who need the roundup’s largest storage volume or those without a compatible roof rack.
- Volume:18 cu ft
- Dimensions:89 × 18 × 40 in
- Weight:8 lb (as listed)
- Material:Plastic
- Access:Both sides
- Mounting type:Roof mount
- Fit:Universal
- Warranty:Limited lifetime
Our verdict“Pick the Force 3 XL for regular trips where mounting and closure feedback matter more than maximum cargo volume.”
Yakima RocketBox Pro 14 Rooftop Cargo Box
The RocketBox Pro 14 suits drivers who need extra enclosed space without stepping up to a full-size box. Its 14-cubic-foot volume is smaller than the Thule Force 3 XL, making it a more restrained choice for smaller cars, hatchbacks, and wagons. Forward mounting hardware is designed to improve hatch clearance, a practical benefit when rear access matters. Its aerodynamic shape is intended to reduce drag, though the box still weighs 50.8 pounds, so fitting it may take more than one person. The shell is described as water resistant, not waterproof; buyers carrying gear that cannot get damp should pack accordingly. SKS locks and a limited lifetime warranty add useful ownership details, but capacity remains the main compromise.
Pros:- 14 cubic feet adds useful capacity in a smaller overall format
- Forward mounting hardware is designed to preserve hatch clearance
- Aerodynamic design is intended to reduce drag
- Includes SKS locks and a limited lifetime warranty
Cons:- 50.8-pound weight can make roof installation difficult
- Less capacity than the 18-cubic-foot Thule Force 3 XL
- Water resistant rather than specified as waterproof
Best for: Small-car, hatchback, and wagon owners who need space for camping gear without choosing a larger roof box.
Not ideal for: Families with bulky loads or buyers seeking waterproof protection or an especially light box to install.
- Volume:14 cubic feet
- Dimensions:74 × 33 × 16 in
- Weight:50.8 lbs
- Material:Plastic
- Fit:Universal fit
- Closure:Push button
- Included components:SKS locks
- Warranty:Limited lifetime
Our verdict“Choose the RocketBox Pro 14 when hatch clearance and a smaller vehicle-friendly capacity matter more than carrying bulky loads.”
INNO BRM720BG Roof Gear Case, Matte Beige, 11.5 cu ft
Unlike the larger Relaxcabine 26 Cu Ft, the INNO BRM720BG puts a premium on a low profile and organized winter-sports capacity rather than general-purpose volume. Its stated room for six to eight skis or four snowboards makes it easy to match the box to a specific trip, while the lower shape is intended to help with multi-story parking clearance. A one-hand opening and symmetrical design add convenience when reaching gear from either side; the external lever lock also keeps the locking hardware outside the loading area. The 11.5-cubic-foot capacity is a real limit for family luggage, and installation still depends on compatible roof crossbars. Compared with the Yakima RocketBox Pro 14, this is the more specialized choice for winter gear.
Pros:- Capacity is specified for six to eight skis or four snowboards
- Low-profile design is intended to help with multi-story parking clearance
- One-hand opening and access from either side simplify loading
- Memory Mount System fits aero, square, round, and most factory crossbars
Cons:- 11.5 cubic feet is less capacity than the Yakima RocketBox Pro 14
- Requires a roof rack with compatible crossbars
- Winter-sports-focused capacity may be less useful for bulky general luggage
Best for: Skiers and snowboarders who want a low-profile box sized for winter equipment and compatible crossbars.
Not ideal for: Families seeking a general-purpose luggage carrier or drivers without compatible roof crossbars.
- Capacity:11.5 cu ft
- Ski capacity:6–8 skis
- Snowboard capacity:4 snowboards
- Mounting system:Memory Mount System
- Crossbar compatibility:Aero, square, round, and most factory crossbars
- Opening:One-hand opening; can be configured to open from either side
- Color:Matte beige
- Warranty:Limited lifetime
Our verdict“Pick the INNO BRM720BG if you primarily carry skis or snowboards and want a low-profile box rather than a high-volume carrier.”
Thule Pulse 2 L Roof-Mounted Cargo Box, 450 L, Dual-Side Opening
The Thule Pulse 2 L combines 450 liters of storage with a tool-free mounting system that includes a torque indicator and closure confirmation. Those cues help buyers check attachment and lid closure without relying only on feel, a more security-focused setup than the Yakima RocketBox Pro 14’s simpler listed push-button closure. Dual-side opening makes loading flexible, and the ASA-ABS shell is described as streamlined and designed for weather resistance. The key drawback is that the product data explicitly lists it as not water resistant, which sits uneasily beside that weather-resistance description; buyers carrying moisture-sensitive gear should seek clarification or add protective packing. Its 75 kg load limit also means the large volume does not permit unlimited heavy cargo.
Pros:- 450 liters provides substantial storage capacity
- Dual-side opening makes access easier in varied parking situations
- Tool-free mounting includes a torque indicator
- Closure confirmation gives a clear lid-status cue
Cons:- Product data lists the box as not water resistant despite describing weather resistance
- 75 kg maximum load limits how much dense gear can be carried
- Large capacity does not remove the need to check vehicle and roof-rack load limits
Best for: Drivers who want tool-free installation with a torque indicator and closure confirmation, and who can confirm that the listed weather protection meets their needs.
Not ideal for: People carrying moisture-sensitive cargo who need a clearly stated water-resistant box, or buyers whose roof cannot support the loaded weight.
- Volume:450 liters
- Load capacity:75 kg
- Dimensions:81 × 17 × 37 in
- Material:ASA-ABS plastic
- Opening:Dual-side
- Mounting type:Roof mount; tool-free system with torque indicator
- Fit:Universal
- Water resistance:Listed as not water resistant
Our verdict“Choose the Pulse 2 L for its mounting and closure feedback if its listed water protection and your vehicle’s load limits suit your cargo.”
Yakima SkyBox NX XXL Hard-Shell Rooftop Cargo Carrier with SKS Lock
The 22-cubic-foot capacity makes the SkyBox NX XXL the more practical choice here for group trips: it can carry gear for up to five campers or skis up to 215 cm. Compared with the smaller D SOLUTIONS 11-cubic-foot carrier, it gives bulky equipment more room, while its dual-sided opening lets you load from whichever side is easier to reach. Integrated SKS locks add a layer of security for gear parked on the roof. The tradeoff is significant for weather-sensitive cargo: this model is listed as not water resistant, unlike the D SOLUTIONS box. I’d choose it for capacity and access, not for keeping luggage dry in rain. Its universal-fit listing also doesn’t replace checking compatibility with your vehicle and roof setup.
Pros:- 22 cubic feet of storage accommodates substantial group or camping gear.
- Fits skis up to 215 cm long.
- Dual-sided opening gives access from either side of the vehicle.
- Integrated SKS locks help secure stored contents.
Cons:- Not water resistant, so it is a poor match for weather-sensitive cargo in rain.
- Its large capacity may be more box than smaller loads require.
Best for: Ski groups or families carrying bulky camping gear who need room for long equipment and access from either side of the vehicle.
Not ideal for: Drivers who regularly travel in wet weather with luggage that must stay dry, or solo users who do not need a 22-cubic-foot box.
- Brand:Yakima
- Capacity:22 cubic feet
- Maximum ski length:Up to 215 cm
- Access:Dual-sided opening
- Locking system:Integrated SKS locks
- Mounting type:Roof mount
- Fit:Universal fit
- Material:Plastic
- Water resistance:Not water resistant
Our verdict“Choose the SkyBox NX XXL for long skis, group gear, and flexible side access, but skip it if weather protection is a priority.”
D SOLUTIONS Hard Shell Rooftop Cargo Carrier, 11 Cubic Feet
The D SOLUTIONS box takes the opposite approach to the much larger Yakima SkyBox NX XXL: its 11-cubic-foot capacity is better suited to a focused load than a group’s worth of camping gear, but its waterproof shell addresses a key weakness of that Yakima model. Made from ABS plastic, it includes a key lock, a non-slip bottom, and mounting brackets and hardware, so the listed package covers the main installation pieces. Its 110-pound load capacity provides a clear ceiling for packing, though the box itself weighs 50.3 pounds, which can make lifting and positioning a two-person job. Fit is limited to vehicles with crossbars, unlike the Yakima’s universal-fit listing. I’d favor this one for weather protection and moderate cargo, not for long skis or maximum storage.
Pros:- Waterproof ABS shell helps protect cargo from wet weather.
- Includes a key lock, four mounting brackets, and mounting hardware.
- 110-pound load capacity is specified for packing limits.
- Non-slip bottom helps keep cargo from shifting inside.
Cons:- Requires vehicle crossbars, limiting fit compared with the Yakima SkyBox NX XXL’s universal-fit listing.
- At 50.3 pounds, it may be difficult for one person to lift and mount.
- 11 cubic feet offers considerably less room than the SkyBox NX XXL.
Best for: Drivers with crossbars who need a waterproof rooftop box for moderate luggage and value included mounting hardware.
Not ideal for: Skiers carrying long equipment, buyers needing more than 11 cubic feet, or drivers whose vehicles lack crossbars.
- Brand:D SOLUTIONS
- Material:ABS plastic
- Dimensions:53 x 34 x 15 inches
- Weight:50.3 pounds
- Capacity:11 cubic feet
- Load capacity:110 pounds
- Mounting:Roof mount; fits vehicles with crossbars
- Water resistance:Waterproof
- Included components:Cargo box, pair of keys, 4 mounting brackets, mounting hardware
Our verdict“Pick the D SOLUTIONS carrier for waterproof protection and moderate loads if your vehicle has crossbars and you can manage its weight.”
How We Picked
I ranked these boxes by how well their stated design and features serve real buying priorities: usable capacity, access to cargo, vehicle compatibility, build and closure details, and the balance between storage and size. A premium choice should do more than offer a large shell; it should make loading, securing, and living with the box practical for the buyer’s vehicle and travel routine. I also treated fit and manufacturer specifications as essential checks rather than assuming that a box will suit every roof rack.
The ranking favors options with a stronger all-around case, then separates models by their clearest advantages and limitations. That puts the Thule Motion 3 first for broad appeal, while larger-capacity choices rank higher for cargo-heavy trips and compact designs make more sense for buyers prioritizing profile or modest storage. Models with less information here are judged conservatively: I avoid assuming unprovided details about mounting, weather sealing, or compatibility, and readers should verify those specifications before purchase.
| premium roofcargo boxe | Brand | Material | Water resistance | Opening |
|---|---|---|---|---|
| Thule Motion 3 Rooftop Cargo B | Thule | Plastic | Water resistant | — |
| PM PERFORMOTOR Hard Shell Roof | PM PERFORMOTOR | Impact-resistant ABS plastic | Waterproof | Dual-sided |
| INNO Wedge 660 White Roof Carg | INNO | — | — | Right and left sides |
| SportRack Horizon 2 Roof Cargo | SportRack | — | Not water resistant | — |
| SportRack Vista XL Rear-Openin | — | UV-resistant ABS plastic | — | Rear |
| Relaxcabine 26 Cu Ft Hard-Shel | — | ABS+PC composite | Water resistant | Dual-side |
| Thule Force 3 XL Rooftop Cargo | — | Plastic | — | — |
| Yakima RocketBox Pro 14 Roofto | — | Plastic | — | — |
| INNO BRM720BG Roof Gear Case | — | — | — | One-hand opening; can be configured to open from either side |
| Thule Pulse 2 L Roof-Mounted C | — | ASA-ABS plastic | Listed as not water resistant | Dual-side |
| Yakima SkyBox NX XXL Hard-Shel | Yakima | Plastic | Not water resistant | — |
| D SOLUTIONS Hard Shell Rooftop | D SOLUTIONS | ABS plastic | Waterproof | — |
Factors to Consider When Choosing Premium Roofcargo Boxes
Choosing among premium roof cargo boxes is less about finding the largest shell and more about matching its shape, opening, and mounting system to your vehicle and routines. I would settle the practical fit questions before weighing convenience features, since a box that blocks a hatch or exceeds a roof limit can undermine an otherwise appealing design.
Match box size to the gear you actually carry
Start by listing the bulky items that need to move out of the cabin, then compare their shape with the box’s usable dimensions—not just its advertised volume. Skis, strollers, duffels, and camping gear all use space differently, so two boxes with similar capacity may not hold the same load. A common mistake is buying the biggest option for occasional trips and then dealing with extra height, storage demands, and loading effort year-round. If your usual load is modest, a smaller box such as an 11- or 11.5-cubic-foot design may be easier to live with. Choose a very large model only when your vehicle roof limits, rack setup, and regular cargo needs support it.
Check vehicle, rack, and hatch compatibility together
Before choosing a box, confirm that its mounting system works with your crossbars and that the roof’s load limit can support the combined weight of the box and cargo. Then check the box’s position against the open rear hatch; a box that sits too far forward or extends too far back can restrict access. Vehicle roof shape and crossbar spacing affect placement, so do not assume a fit based only on the make and model of your car. Pay attention to the added height as well, especially if you use garages, parking structures, or low-clearance routes. If the product listing does not give the needed measurements, seek the manufacturer’s fit details before buying.
Choose opening access for your parking routine
Opening direction can make loading easier or more awkward depending on where you park and which side of the vehicle is accessible. Passenger-side access can be useful when you load beside a curb, while dual-side access gives more flexibility when parking arrangements change. Rear-opening designs may suit some setups but can complicate reach or hatch clearance on others. Think through where you will stand, how high the roof sits, and whether you need to retrieve one item without unloading everything. A convenient opening is only an advantage if the box and vehicle leave enough room to use it.
Treat security and closure details as separate checks
A lock can deter casual access, but it does not replace sound cargo habits or prove that a box is theft-proof. Check how the lid closes, whether the locking system requires the lid to be seated correctly, and whether keys or lock components are included. The Yakima SkyBox NX XXL listing specifies an SKS lock, while other models in this roundup do not provide that same stated detail. Do not assume that a premium label means every box has identical security hardware. If you carry valuable equipment, compare the lock system and your ability to remove or secure the box when parked.
Weigh storage and handling before choosing maximum capacity
A larger box adds more room, but it can take more effort to lift, install, open, and store when it is off the vehicle. Consider whether you can mount it with help, where it will live between trips, and how often you will need to remove it. A compact, lower-profile model may be the better fit for drivers who use a garage or rarely carry bulky gear. Conversely, frequent family trips may justify a larger shell if its dimensions and roof load remain suitable. The right choice balances carrying capacity with the work involved in owning the box.
Pay for features that solve a recurring problem
Premium features are most valuable when they address a regular frustration: awkward access, limited capacity, or a need for a particular lock or profile. If you only use a box a few times a year, a simpler model with verified fit may make more sense than paying for features you will seldom use. If it stays on the vehicle through a season of travel, easier access and a useful layout can matter every week. Compare what each listing actually confirms rather than filling gaps with assumptions about weather protection, installation speed, or materials. Spending more makes sense when the feature changes how comfortably and reliably the box fits your use.
Frequently Asked Questions
How do I know whether a roof cargo box will fit my car and crossbars?
Check the box manufacturer’s fit guidance alongside your vehicle’s roof and crossbar specifications. Confirm the crossbar type and spacing are compatible with the mounting hardware, and verify the roof’s permitted load includes both the box and everything inside it. Measure the box against the open rear hatch so the lid and hatch do not collide. Also account for the vehicle’s total height in garages and parking structures. If any key measurement is missing from the listing, ask the manufacturer rather than guessing.
Should I choose a large box or a compact one if I only take a few trips each year?
Base the choice on the size of the gear you need to carry, not on the number of trips alone. A large box can be worthwhile for occasional family travel if it replaces substantial cabin clutter, but it may be harder to mount and store between trips. Compact options in this roundup trade capacity for a smaller footprint, which can suit lighter loads and tighter parking. Check whether the box can stay on your vehicle between trips without causing clearance or storage problems. If your gear fits comfortably in a smaller model, extra capacity may not justify the added bulk.
Does dual-side opening matter if I usually load from one side?
It may still help when your parking position changes, when another vehicle blocks one side, or when you need to reach cargo from a different angle. If your routine reliably gives you access to one side, a single-side design can be sufficient and may keep your choice focused on fit and capacity. Compare opening direction with your driveway, garage, and common parking spots before deciding. Also check whether the box can open fully without hitting a wall, hatch, or other obstruction. The Thule Pulse 2 L is the listed dual-side option here, while other models have different access arrangements.
Can I use a roof cargo box above the vehicle’s stated roof load limit?
No. Follow the vehicle and rack manufacturers’ load limits, including the weight of the box itself as well as its contents. A cargo box does not raise the roof’s permitted capacity, and exceeding a limit can affect safe handling and place excessive strain on the rack or vehicle. Confirm whether the stated limit applies to a moving vehicle and follow the instructions for distributing and securing cargo. If the available capacity is unclear, consult the vehicle and rack documentation before loading. Do not use advertised box volume as a substitute for a weight limit.
What should I prioritize if I want a premium box but have limited garage clearance?
Start with the combined height of your vehicle, rack, and proposed box, then compare it with the lowest clearance on your regular route and in your garage. A compact or lower-profile design, such as the INNO Wedge 660, may be a better starting point than the largest-capacity models, but confirm its actual installed height for your setup. Do not rely on the box’s shape alone to predict clearance. Leave room for uneven floors, ramps, and roof accessories that add height. If the box must be removed for garage entry, factor in whether you can safely handle and store it.
Conclusion
For most buyers seeking a premium all-around box, I would start with the Thule Motion 3; it earns the top spot for its broad appeal rather than a single extreme specification. The best value choice is the PM PERFORMOTOR 13-cubic-foot box for shoppers who want a hard-shell format and moderate capacity without needing the specialized role of a larger or low-profile model, though compatibility details deserve close checking. For the best premium capacity pick, consider the Yakima SkyBox NX XXL when its dimensions suit your roof and the stated SKS lock is useful. The best option for beginners is the Thule Pulse 2 L for shoppers who want a clear dual-side access feature and should verify fit before purchase. For specific needs, choose the SportRack Horizon 2 for passenger-side access, the Vista XL for rear-opening access, or the INNO Wedge 660 when a more compact profile matters more than volume. Match the final choice to your crossbars, roof limits, hatch clearance, and storage space before ordering.
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