Rooftop cargo carrier

Thule Motion XT XXL

Stylish and spacious roof-mounted cargo box, optimized for ease of use.


  • Optimized design for best space efficiency, aerodynamics, and vehicle fit
  • Easy to mount thanks to the extra wide PowerClick quick-mount system. The integrated torque indicator “clicks” when it’s properly mounted, ensuring fast and secure fitting
  • Easy to open and close in all conditions due to grip-friendly outer handles and supporting lid-lifters
  • SlideLock system with separate locking and opening functions, automatically locks the lid in place and indicates when the box is closed securely
  • Full trunk access with minimal risk of contact with the cargo box, thanks to its forward position on the vehicle roof

Technical specifications

Volume 22 cu ft
External dimensions 91.5 x 37.5 x 18 in
Internal dimensions 84.5 x 33 x 16 in
Height off crossbar 17 in
Load capacity 165 lb
Mounting system PowerClick
Weight 55 lb
Locking system SlideLock
Locks included
One Key System compatible
Load capacity skis (pairs) 5-7
Load capacity snowboards 3-5
Max length of skis 215 cm
Fits Thule AeroBlade
Fits Thule SquareBar
Color Titan Glossy
Model number 6299T
Spare parts



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Simply fantastic cargo box


Still own a Sonic 13 cu-ft box and now a Motion XT XXL 22 cu-ft box. The SlideLock indicator ensuring all three locks are engaged is absolutely fantastic (over the Sonic). Lets be honest, bags go in, straps go on, and the lid gets pulled down (compressing contents as necessary). I would have bet money a few times all locks were engaged when in fact they were not as indicated by the slide indicator. Box with AeroBlade on '14 Grand Caravan generates very little noise. Positioned the box so the PowerClick clamps were in the middle of their travel. Originally had box positioned as rearward as possible (did not come close to interfering with hatch, but I did not like the amount of rearward overhang, so I centered. 2,000 mile trip yielded 21.6 mpg 55-75 mph driving for 90% of trip with mountains across southern Ohio, West Virginia, Virginia, and into North Carolina.

The Dude

Detroit, MI


Great box, improvement over Sonic


Owned Sonic XL and XXL which were great boxes but this is definite improvement. Same storage capacity with smaller footprint and weight. Mounting knobs easier to turn also and slide lock system seems like it will make box easier to close because box clicks shut in front and back. With Sonic it was hard to tell when lid was seated and could be difficult to lock when box was full if you didn't shut lid just right.


Austin, TX


Great design


This is the third and so far the best Thule cargo box we've owned. Prior to the Motion we had a Force. Overall build quality of the Motion is excellent. It seems more sturdy than the Force. Virtually no wind noise mounted on square bars whereas Force was noticeable. Slidelock is the best feature of the Motion, the locking mechanism engages with every close and is easy to open. The Force's securelock I felt that I was forcing the mechanism to get it to turn. Was worried I was going to eventually break the mechanism while locking/unlocking the box.


Calgary Canada



5.0 3


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