Main trade-off
Thule Force 3 L
It is too short for 180 to 200 cm skis.
Head-to-head
Thule Force 3 L vs L Sport: Sport narrows the shell for shared roof space without shortening ski fit
The short answer
Choose Force 3 L for wider luggage and L Sport when the crossbars must also carry a bicycle. The Sport keeps the same 175 cm ski allowance while narrowing the shell.
Before you choose
The reasoning and the trade-offs
The Sport releases useful bar width
L Sport is 8.6 inches narrower outside than Force 3 L.
What this is based on
33.3 - 24.7 = 8.6 inches of nominal width released on the same rack.
Main trade-off
Thule Force 3 L Sport
The 175 cm ski limit excludes longer touring and Nordic skis.
Thule Force 3 L
- Choose it for
- You pack wide suitcases
- Your roof is devoted to the cargo box
- Main trade-off
- It is too short for 180 to 200 cm skis.
Thule Force 3 L Sport
- Choose it for
- You need room beside the box for a bike
- You remove the box frequently
- Main trade-off
- The 175 cm ski limit excludes longer touring and Nordic skis.
About this comparison
Compare Force 3 L and L Sport by roof width, box weight, interior shape and how much luggage fits beside another roof-mounted carrier.
Winner by situation
Start with what you need it to do
You pack wide suitcases
Force 3 L is 8.6 inches wider outside. Check actual case dimensions against each interior opening.
- Thule Force 3 L
- Better fit
- Thule Force 3 L Sport
- Depends
You need room beside the box for a bike
L Sport is narrower, although usable bar space and the other carrier still require a combined fit check.
- Thule Force 3 L
- Depends
- Thule Force 3 L Sport
- Better fit
Your roof is devoted to the cargo box
Force 3 L provides 16 cubic feet against L Sport at 11 cubic feet. L Sport instead saves nine pounds of empty weight.
- Thule Force 3 L
- Better fit
- Thule Force 3 L Sport
- Good
Your narrow box must accept skis over 175 cm and no longer than 210 cm
Both compared boxes stop at 175 cm. Horizon Alpine lists a 210 cm ski allowance and passenger-side access.
- Thule Force 3 L
- Not suitable
- Thule Force 3 L Sport
- Not suitable
What matters in practice
The differences that matter
The Sport releases useful bar width
L Sport is 8.6 inches narrower outside than Force 3 L.
How we reached this conclusion
33.3 - 24.7 = 8.6 inches of nominal width released on the same rack.
The volume reduction is substantial
Sport gives up five cubic feet while retaining the 175 cm ski limit.
How we reached this conclusion
16 - 11 = 5 cubic feet. 5 / 16 × 100 = 31.25% less nominal space.
Frequent removal favors the narrow shell
L Sport reduces the empty lift from 43 to 34 pounds.
How we reached this conclusion
43 - 34 = 9 pounds less empty weight.
Choice A
Thule, Force 3 L
Thule Force 3 L
The box holds 16 cubic feet. It accepts gear up to 175 centimeters long.
- Best matched use
- carry skis without folding the seats and work with a shorter roof
Checked facts
- The box holds 16 cubic feet.
- It accepts gear up to 175 centimeters long.
- The box uses dualside access.
- Its published exterior size is 76.8 x 33.3 x 16.8 inches.
Choice B
Thule, 645650
Force 3 L Sport
A narrow box with the Force 3 mounting and locking hardware, built for smaller loads beside other roof gear.
- Best matched use
- Keeping crossbar room available for a bike carrier
Checked facts
- 11 cubic feet of advertised volume
- 175 cm published maximum ski length
- 75.2 by 24.7 by 16.7 inches outside
- 34 pounds empty
- 14.4 inches of published internal height
Meaningful differences
What changes the fit
| What changes | Thule Force 3 L | Thule Force 3 L Sport | Why it matters |
|---|---|---|---|
| Cargo volume | 16 cu ft | 11 cu ft | Compare the space needed by bags after checking their individual dimensions. |
| Exterior length | 76.8 in | 75.2 in | Check roof placement, hatch movement and storage space for the shell. |
| Exterior width | 33.3 in | 24.7 in | This consumes crossbar room that might otherwise hold a bike carrier. |
| Empty box weight | 43 lb | 34 lb | Subtract the shell and rack from the vehicle roof limit before allocating cargo. |
| Exterior height | 16.8 in | 16.7 in | Overall shell height helps compare bulk but cannot establish installed garage clearance. |
What you give up
Every choice has a cost
If you choose Thule Force 3 L
- Its 16.8-inch height above the crossbar is not a low-garage specialist.
If you choose Thule Force 3 L Sport
- Its narrow 20.2-inch interior makes wide suitcases a poor fit.
Recommendation switch
The decision flips if...
Your narrow box must accept skis over 175 cm and no longer than 210 cm
Choose neither. Horizon Alpine lists a 210 cm ski allowance and a 21-inch exterior width, with passenger-side access. Confirm roof fit and hatch clearance.
What matters in practice
How to make the call
The Sport releases useful bar width
A bike carrier needs clearance for its mounts, handlebar and pedal, so the 8.6-inch difference is a starting point rather than a fit guarantee. Mock up both carriers on the actual bars before assuming the bicycle will sit safely beside the box.
The volume reduction is substantial
For two skiers carrying boots in the trunk, the slim shell may be enough. A family moving several broad bags onto the roof will use the regular L more effectively. The identical ski limit does not imply equal room for poles, helmets and clothing.
Frequent removal favors the narrow shell
The weight difference follows you every time the box comes off for garage storage. Both have PowerClick clamps and dual-side access, so choose the Sport for the narrower and lighter object itself rather than expecting a different mounting workflow.
What this comparison cannot tell you
- Cargo dimensions and manufacturer load ratings cannot predict wind noise, fuel use or how a particular bag packs around mounting hardware.
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.
Compared set
18 of 26 models checked match every need here: “Carry camping gear” and “Open it from either side”.
18 matching models from 26 checkedSee the checked facts and calculation notes
Match countThe count uses the current product-to-need assignments for “Carry camping gear” and “Open it from either side”. A need with no documented match does not count.
| Product | Needs matched | Checked facts | Source records |
|---|---|---|---|
| Thule Force 3 L |
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| |
| Thule Force 3 L Sport |
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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 Force 3 L
You pack wide suitcases
See price & reviews on AmazonThule Force 3 L Sport
You need room beside the box for a bike
See price & reviews on AmazonLinks open in a new tab.