- Best Overall Rooftop Cargo Box: Yakima SkyBox Carbonite
- Best Budget Rooftop Cargo Box: Yakima RocketBox Pro
- Best High-Capacity Rooftop Cargo Box: Thule Motion 3 XL
- Best Premium Rooftop Cargo Box: Thule Vector
- Model options: 12, Lo (15 cu. ft.), 16, 18, 21
- Volume: 12-21 cu. ft.
- Weight Capacity: 165 lbs.
- Weight: 41-62 lbs.
- Locks included: Yes
Pros
- Easy to use, stout, comfortable handle
- Sturdy
- Solid value, yet not as costly as other premium choices
- Opens on both sides
Cons
- Not TOTALLY water/weatherproof
- Model options: 11, 12, 14
- Volume: 11, 12, 14 cu. ft.
- Weight Capacity: 165 lbs.
- Weight: 30, 38, 40 lbs.
- Locks included: Yes
Pros
- Practical build
- Pretty easy to pull RocketBox on and off the roof
- A more economic price compared to priciest options
Cons
- Not the sturdiest construction
- Model options: L, XL, XL Low, XXL, XXL Low
- Volume: 16, 18, 14, 21, 18 cu. ft.
- Weight Capacity: 165 lbs.
- Weight: 44, 51, 53, 57, 56 lbs.
- Locks included: Yes
Pros
- Aerodynamic
- Largest size has a huge 21 cu. ft. capacity
- Easy to install and uninstall
- Solid build
Cons
- Expensive
- Model options: NX 16, NX 18
- Volume: 16, 18 cu. ft.
- Weight Capacity: 165
- Weight: 47, 53 lbs
- Locks included: Yes
Pros
- Dual-sided access
- Flat floor optimizes storage
- Lots of headroom for taller equipment
- Easy installation
Cons
- Handle can stick when opening
- Material can get caught in latches
- Not as aerodynamic as other models
- Model options: Sport, L, XL, XXL
- Volume: 11, 16, 18, 22 cu. ft.
- Weight Capacity: 165 lbs.
- Weight: 32, 41, 47, 52 lbs.
- Locks included: Yes
Pros
- Dual-sided access
- Voluminous shape provides space for a variety and high quantity of gear
- Easy installation
Cons
- Latch system isn’t the smoothest
- Not as streamlined as other boxes
- Flimsy lock and key
- Not the stiffest material
- Model options: BX55S, BX85S, BX90R, BX140R
- Volume: 4 cu. ft.
- Weight Capacity: 50 lbs.
- Weight: 35 lbs.
- Lock included: No (there is an integrated padlock hasp)
Pros
- Dustproof and wind-, water-, and weather-resistant
- Burly handles snap down to lie flat
- Easy to mount
- Attractive design
Cons
- Linear design is less adaptive to fit certain cargo compared to oblong shapes
- Model options: Ridge 240 (there’s also a long Ridge 460 model)
- Volume: 8 cu. ft.
- Weight Capacity: 110 lbs.
- Weight: 20 lbs.
- Lock included: Yes
Pros
- Key can only be removed when the box is locked
- Strong construction
- Compact and light design
- Economic price
Cons
- Only has a passenger-side opening versus a dual-sided opening
- Can’t fit skis or snowboards, which is a dealbreaker for some recreationists
Rooftop Cargo Box Comparison Chart
Rooftop Cargo Box | Model Options | Volume | Weight Capacity | Weight | Locks Included |
---|---|---|---|---|---|
Yakima SkyBox Carbonite | 12, Lo (15 cu. ft.), 16, 18, 21 | 12, 15, 16, 18, 21 cu. ft. | 165 lbs. | 41-62 lbs. | Yes |
Yakima RocketBox Pro | 11, 12, 14 | 11, 12, 14 cu. ft. | 165 lbs. | 30, 38, 40 lbs. | Yes |
Thule Motion 3 XL | L, XL, XL Low, XXL, XXL Low | 16, 18, 14, 21, 18 cu. ft. | 165 lbs. | 44, 51, 53, 57, 56 lbs. | Yes |
Thule Vector | M, Alpine | 13 cu. ft. | 165 lbs. | 59, 66 lbs. | Yes |
Yakima Skybox NX | NX 16, NX 18 | 16, 18 cu. ft. | 165 lbs. | 47, 53 lbs. | Yes |
Thule Force XT | Sport, L, XL, XXL | 11, 16, 18, 22 cu. ft. | 165 lbs. | 32, 41, 47, 52 lbs. | Yes |
Pelican BX140R Cargo Case | BX55S, BX85S, BX90R, BX140R | 4 cu. ft. | 50 lbs. | 35 lbs. | 35 lbs. |
Inno Ridge 240 | Ridge 240 (there’s also a long Ridge 460 model) | 8 cu. ft. | 110 lbs. | 20 lbs. | Yes |
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The Yakima Skybox NX was extremely stable on windy and bumpy roads; (photo/Will Porter)
Buyer’s Guide: How to Choose a Rooftop Cargo Box
Roof Length Compatibility
Rack Setup

Carrying Purpose and Capacity

Weight
Materials
Water Resistance
Extra Features
Installation and Ease of Use

Maintenance Tips
Security Features
Price & Value
Budget
Mid-Tier
Premium
Frequently Asked Questions
Rooftop cargo boxes are not all created equal. The designs vary by weight, dimensions, gear capacity, and rigidity. You’ll need to consider what type of gear you need to haul as well as your vehicle length and roof capacity.
The best rooftop cargo box will fit well with adequate hatch clearance. Also, note certain cargo boxes are compatible with specific crossbar or load bar models, shapes, and size ranges. Be sure to get the correct setup for your vehicle.
A larger rooftop cargo box might not be the best choice for your vehicle and purpose. If a box length exceeds the rooftop clearance, it can hinder the hatchback when it swings up, or it can potentially hang over the roof in the front, impeding windshield visibility.
Bigger designs are more challenging to move and store, have a greater impact on fuel efficiency, are costlier, and are noisier while on the road. Be sure not to exceed the maximum length and weight your vehicle’s roof can carry.
Place the heaviest and the majority of the cargo in the center of the box and the lightest items toward the nose and tail. Use tiedown straps, which are included in some designs, to secure loose goods if the box isn’t full.
Though many cargo boxes are weatherproof, most manufacturers suggest putting electronics and valuables in a dry bag for extra protection.
Without additional weight, empty cargo boxes can get slightly jostled around by the wind, which could cause audible drag. If you don’t mind the potential noise, then it’s technically fine to drive with an empty rooftop cargo box. That said, the lifespan of the box will be extended if you store it safely away from the elements between long periods of nonuse.
Also, removing the cargo box could lead to greater fuel economy in the long haul. But for weekend warriors who commute 20 minutes to work several days a week, the repeated mount time might not be worthwhile, especially in a mild climate.
When your rooftop cargo box isn’t mounted on your vehicle, it’s good to store it in a cool, dry indoor space like a garage, attic, or basement. It’s ideal to keep it out of direct sunlight and extremely hot or cold temperatures.
You can set the box flat on the ground — or atop a couple of 2x4s — or rig it to hang on a wall via the base side.

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