Main trade-off
Thule Motion 3 XL
The selected glossy shell does not add ski length or cargo rating over Force.
Head-to-head
Thule Motion 3 XL vs Thule Force 3 XL: Motion needs less hatch clearance, both stop at 200 cm skis
The short answer
Choose Motion 3 XL when the car meets its shorter hatch-clearance requirement or garage height is tight. Choose Force 3 XL when both fit and you prefer its matte finish and lower published empty weight. Both retain the same 200 cm ski limit and 165 lb box load limit, subject to the vehicle and rack limits.
Before you choose
The reasoning and the trade-offs
A 53-inch hatch measurement changes the choice
At 53 inches from the front crossbar to the roof-hatch junction, Motion is the candidate and Force misses the published threshold. This matters when the rear door must open for a stroller or dog crate. If both cars in the household will use the box, repeat the measurement on both before paying for interchangeable convenience.
What this is based on
Thule requires a measurement greater than 52.125 inches for Motion and 53.0625 inches for Force. The example gives 0.875 inch above Motion's threshold and 0.0625 inch below Force's. It assumes compatible crossbars in an approved position and is a fit screen, not vehicle certification.
Main trade-off
Thule Force 3 XL
It needs more front clearance, which can rule it out on a car that accepts Motion.
Thule Motion 3 XL
- Choose it for
- Keep the hatch usable when front clearance is 53 inches and the rack otherwise fits
- Start with the lower published height above the crossbars for a tight garage
- Main trade-off
- The selected glossy shell does not add ski length or cargo rating over Force.
Thule Force 3 XL
- Choose it for
- Prefer the matte finish when the car clears the stricter hatch requirement
- Choose the lower published empty weight after confirming the supplied box specification
- Main trade-off
- It needs more front clearance, which can rule it out on a car that accepts Motion.
About this comparison
Compare Motion 3 XL and Force 3 XL for hatch access, garage height and roof payload before choosing a box for family luggage or skis.
Choose Motion 3 XL when the car meets its shorter hatch-clearance requirement or garage height is tight. Choose Force 3 XL when both fit and you prefer its matte finish and lower published empty weight. Both retain the same 200 cm ski limit and 165 lb box load limit, subject to the vehicle and rack limits.
Winner by situation
Start with what you need it to do
The measured front-bar-to-hatch distance is 53 inches
The fit chart's strict greater-than rule admits Motion at this measurement but rules out Force. Do not reposition fixed bars without vehicle and rack approval.
- Thule Motion 3 XL
- Candidate after rack checks
- Thule Force 3 XL
- Below its clearance threshold
The garage opening is 85.5 inches and crossbar tops are 70 inches high
The nominal totals are 85 and 85.8 inches. The Motion estimate leaves only 0.5 inch, so physical measurement and a suitable margin remain essential.
- Thule Motion 3 XL
- Measure the assembled box before entry
- Thule Force 3 XL
- Published estimate exceeds the opening
You need to carry 205 cm skis
Both publish a 200 cm maximum. The different shell finish or nominal volume does not extend the approved ski length.
- Thule Motion 3 XL
- Exceeds the listed ski limit
- Thule Force 3 XL
- Exceeds the listed ski limit
The roof limit is 165 lb, rack 20 lb and luggage 100 lb
Even the lower published empty weights produce totals of 171 and 169 lb. Neither box solves this particular load.
- Thule Motion 3 XL
- Exceeds the assumed roof limit
- Thule Force 3 XL
- Exceeds the assumed roof limit
Both pass the vehicle checks and you prefer a matte shell
Force supplies the preferred finish with the same side-opening and locking features. No durability winner is established by the finish alone.
- Thule Motion 3 XL
- Glossy selected variant
- Thule Force 3 XL
- Matte selected variant
What matters in practice
The differences that matter
A 53-inch hatch measurement changes the choice
At 53 inches from the front crossbar to the roof-hatch junction, Motion is the candidate and Force misses the published threshold. This matters when the rear door must open for a stroller or dog crate. If both cars in the household will use the box, repeat the measurement on both before paying for interchangeable convenience.
How we reached this conclusion
Thule requires a measurement greater than 52.125 inches for Motion and 53.0625 inches for Force. The example gives 0.875 inch above Motion's threshold and 0.0625 inch below Force's. It assumes compatible crossbars in an approved position and is a fit screen, not vehicle certification.
Garage entry depends on the mounted height
For crossbars 70 inches above the ground, the published estimates are 85 inches with Motion and 85.8 inches with Force. An 85.5-inch opening therefore makes Motion the only candidate for a physical clearance check. That half-inch estimated margin is too small to treat as permission to drive in without measuring the installed box.
How we reached this conclusion
Assumed ground-to-crossbar height 70 inches plus manufacturer height above crossbar gives 70 + 15 = 85 and 70 + 15.8 = 85.8. Compare the highest installed point and the actual lowest garage obstruction, including the door, before use. The estimate does not use conflicting overall-shell heights.
A 165-pound roof rating does not mean 165 pounds of luggage
On an illustrative 165-pound-rated roof with a 20-pound rack, 100 pounds of luggage is already too much for either box. Choose lighter cargo or a different transport arrangement. Moving from Motion to Force cannot rescue this load, even using the lower published box weights.
How we reached this conclusion
The example combines rack, box and cargo as both manuals require. Using the lower product-page weights gives 20 + 51 + 100 = 171 pounds for Motion and 20 + 49 + 100 = 169 for Force. Both exceed the assumed 165-pound roof limit. A lower rack limit can restrict loading further.
Choice A
Thule, Motion 3 XL Black Glossy
Thule Motion 3 XL
The box holds 18 cubic feet. It accepts gear up to 200 centimeters long.
- Best matched use
- Keep the hatch usable when front clearance is 53 inches and the rack otherwise fits
Checked facts
- Front-bar-to-hatch requirement: More than 52 1/8 in in the US fit chart
- Crossbar spread: 21 13/16 to 36 9/16 in in the fit chart
- Published height above crossbar: 15 in
- Box cargo and vehicle load: 165 lb box cargo limit, with rack and box also counted against the roof limit
Choice B
Thule, Force 3 XL
Thule Force 3 XL
The box holds 18 cubic feet. It accepts gear up to 200 centimeters long.
- Best matched use
- Prefer the matte finish when the car clears the stricter hatch requirement
Checked facts
- Front-bar-to-hatch requirement: More than 53 1/16 in in the US fit chart
- Crossbar spread: 21 7/8 to 36 5/8 in in the fit chart
- Published height above crossbar: 15.8 in
- Box cargo and vehicle load: 165 lb box cargo limit, with rack and box also counted against the roof limit
Meaningful differences
What changes the fit
| What changes | Thule Motion 3 XL | Thule Force 3 XL | Why it matters |
|---|---|---|---|
| Front-bar-to-hatch requirement | More than 52 1/8 in in the US fit chart | More than 53 1/16 in in the US fit chart | A 53-inch measurement clears the Motion threshold but fails the Force threshold. Confirm approved bar positions and actual hatch movement. |
| Crossbar spread | 21 13/16 to 36 9/16 in in the fit chart | 21 7/8 to 36 5/8 in in the fit chart | Both ends matter on fixed-position bars. Moving a rack to gain hatch clearance still has to preserve an approved spread and vehicle mounting position. |
| Published height above crossbar | 15 in | 15.8 in | Measure from the ground to the top of the crossbar, then add this value for an initial garage screen. Measure the installed assembly before driving underneath. |
| Box cargo and vehicle load | 165 lb box cargo limit, with rack and box also counted against the roof limit | 165 lb box cargo limit, with rack and box also counted against the roof limit | The roof can become the lower limit well before either box reaches its own cargo rating. |
| Published empty weight | 51 lb on the product page, 52.7 lb in the manual | 49 lb on the product page, 49.6 lb in the manual | Both documents put Force lower, but conflicting figures prevent a precise lifting or maximum-payload advantage. Confirm the delivered specification. |
| Ski length and loading access | Up to 200 cm skis, dual-side opening, PowerClick and SlideLock | Up to 200 cm skis, dual-side opening, PowerClick and SlideLock | Changing between these XL boxes does not solve a 205 cm ski requirement or add a new side-opening function. |
| Selected shell finish | Black glossy, model 639850 | Black matte, model 645850 | Finish is a preference once fit is settled. No measured noise, fuel-saving or scratch-resistance advantage is inferred. |
What you give up
Every choice has a cost
If you choose Thule Motion 3 XL
- Its published empty weights are higher, so removal and refitting still need a suitable lifting plan.
If you choose Thule Force 3 XL
- Its higher published height above the crossbars can make a low garage less practical.
Recommendation switch
The decision flips if...
My fixed rack gives exactly 53 inches of front clearance
Choose Thule Motion 3 XL. Motion passes the published clearance threshold at this measurement. Force requires more than 53 1/16 inches.
Both fit my car and garage, and I want the matte shell
Choose Thule Force 3 XL. The selected Force 3 XL is black matte and retains dual-side access, PowerClick mounting and SlideLock.
I need to carry skis longer than 200 cm
Choose neither. Both models publish the same 200 cm maximum ski length.
What matters in practice
How to make the call
Check the car with the tailgate in use
The useful upgrade is a fit improvement on your actual car. A rear door that must open fully for a stroller, dog or loading shelf makes front clearance consequential. Keep the current chart and the rack's approved mounting positions together when measuring. A second car needs its own check even if it uses the same crossbar brand.
Decide whether the box will stay on overnight
A garage can change the ownership routine. If the loaded vehicle cannot enter, you may need to unload and remove the box outside after each trip. Motion's lower published crossbar-relative height can help with an initial screen. A few tenths of an inch on paper are insufficient for a low opening, so measure the actual assembly and lowest obstruction.
Separate bulky luggage from a heavy load
These boxes make more sense for gear that consumes space before it consumes the roof allowance. Weigh the rack, box and packed contents together against all applicable limits. The equal ski limit and shared access hardware give little reason to replace a working box that already fits. Confirm actual empty weight and luggage shape where published documents disagree.
What this comparison cannot tell you
- Vehicle fit and permissible loading require the car and rack instructions. These examples are dimensional screens.
- Current Thule product pages and manuals disagree on some empty weights and internal dimensions. No exact weight saving or rigid-case fit guarantee is made.
- No matched wind-noise, fuel-use or scratch-resistance testing supports a performance winner.
What the facts say
What the comparison shows
Useful conclusions from the current roof cargo boxes comparison, followed by the checked facts used to reach them.
See the checked facts and calculation notes
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| Thule Motion 3 XL |
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| Thule Force 3 XL |
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Ready to choose?
Check the price. Read the owner reviews.
Open either model on Amazon to check the current price, customer reviews and delivery options.
Thule Motion 3 XL
Keep the hatch usable when front clearance is 53 inches and the rack otherwise fits
See price & reviews on AmazonThule Force 3 XL
Prefer the matte finish when the car clears the stricter hatch requirement
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