Head-to-head

Force 3 L Sport vs Horizon Alpine: Horizon takes skis above 175 cm, Thule opens both sides in a shorter shell

The short answer

Choose Horizon Alpine for skis over 175 cm or the narrowest shell. Choose Force 3 L Sport for dual-side access and a shorter box when your gear fits its 175 cm limit.

Before you choose

The reasoning and the trade-offs

The long-ski difference is decisive

Horizon Alpine extends ski capacity by 35 cm at the same 11-cubic-foot nominal volume.

What this is based on

210 - 175 = 35 cm. Both boxes list 11 cubic feet.

Main trade-off

Thule Force 3 L Sport

The 175 cm ski limit excludes longer touring and Nordic skis.

Main trade-off

SportRack Horizon Alpine

The narrow 11-cubic-foot interior is not a family luggage box.

Thule Force 3 L Sport

Thule Force 3 L Sport

Choose it for
  • You need to load from either side of the vehicle
  • Your gear fits 175 cm and a shorter shell suits the roof
Main trade-off
The 175 cm ski limit excludes longer touring and Nordic skis.
See price & reviews on Amazon
SportRack Horizon Alpine

SportRack Horizon Alpine

Choose it for
  • You carry skis up to 210 cm
  • You want a lighter and narrower box beside a bike
Main trade-off
The narrow 11-cubic-foot interior is not a family luggage box.
See price & reviews on Amazon

Analysis updated , Catalog updated , Amazon.com / United States

About this comparison

Compare Force 3 L Sport and SportRack Horizon Alpine by ski limits, roof width, empty weight and access when another carrier shares the rack.

Winner by situation

Start with what you need it to do

  • You need to load from either side of the vehicle

    Force 3 L Sport opens from both sides. Horizon Alpine opens from the passenger side only.

    Thule Force 3 L Sport
    Better fit
    SportRack Horizon Alpine
    Not suitable
  • Your skis are longer than 175 cm and no longer than 210 cm

    Force 3 L Sport stops at 175 cm while Horizon Alpine lists 210 cm.

    Thule Force 3 L Sport
    Not suitable
    SportRack Horizon Alpine
    Better fit
  • Your gear fits 175 cm and a shorter shell suits the roof

    L Sport is 13.55 inches shorter outside. Horizon is five pounds lighter but needs more roof length.

    Thule Force 3 L Sport
    Better fit
    SportRack Horizon Alpine
    Good
  • You need dual-side access for skis over 175 cm and no longer than 215 cm

    L Sport misses the length requirement and Horizon misses dual-side access. Motion 3 XXL Low combines both, with a wider shell that needs its own fit check.

    Thule Force 3 L Sport
    Not suitable
    SportRack Horizon Alpine
    Not suitable

What matters in practice

The differences that matter

The long-ski difference is decisive

Horizon Alpine extends ski capacity by 35 cm at the same 11-cubic-foot nominal volume.

How we reached this conclusion

210 - 175 = 35 cm. Both boxes list 11 cubic feet.

The narrowest shell is also longer

Horizon saves 3.7 inches of width but adds 13.55 inches of length.

How we reached this conclusion

24.7 - 21 = 3.7 inches. 88.75 - 75.2 = 13.55 inches.

Access can outweigh a five-pound saving

Horizon is five pounds lighter, while Force offers dual-side access against passenger-side opening.

How we reached this conclusion

34 - 29 = 5 pounds. Opening sides are the documented manufacturer configurations.

Choice A
Thule Force 3 L Sport

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
Choice B
SportRack Horizon Alpine

SportRack, Horizon Alpine SR7011

SportRack Horizon Alpine

The box holds 11 cubic feet. It accepts gear up to 210 centimeters long.

Best matched use
carry skis without folding the seats and stay within a light roof-load limit

Checked facts

  • The box holds 11 cubic feet.
  • It accepts gear up to 210 centimeters long.
  • The box uses passenger side access.
  • Its published exterior size is 88.75 x 21 x 15.75 inches.

Meaningful differences

What changes the fit

Meaningful differences between Thule Force 3 L Sport and SportRack Horizon Alpine
What changesThule Force 3 L SportSportRack Horizon AlpineWhy it matters
Maximum ski length175 cm210 cmA ski longer than this documented limit needs a different carrier.
Exterior length75.2 in88.75 inCheck roof placement, hatch movement and storage space for the shell.
Exterior width24.7 in21 inThis consumes crossbar room that might otherwise hold a bike carrier.
Exterior height16.7 in15.75 inOverall shell height helps compare bulk but cannot establish installed garage clearance.
Empty box weight34 lb29 lbSubtract the shell and rack from the vehicle roof limit before allocating cargo.

What you give up

Every choice has a cost

If you choose Thule Force 3 L Sport

  • Its narrow 20.2-inch interior makes wide suitcases a poor fit.

If you choose SportRack Horizon Alpine

  • Passenger-side-only access is less flexible than dual-side opening.

Recommendation switch

The decision flips if...

You need dual-side access for skis over 175 cm and no longer than 215 cm

Choose neither. Motion 3 XXL Low combines dual-side access and a 215 cm ski allowance. Its wider shell, roof-load use and hatch clearance must suit the vehicle.

What matters in practice

How to make the call

01

The long-ski difference is decisive

A narrow carrier is often bought specifically for winter sports, so measure the longest skis first. The Sport name on the Force does not mean it accommodates longer skis. Its shorter interior favors compact alpine equipment.

02

The narrowest shell is also longer

This creates a real vehicle tradeoff. The Horizon leaves more bar width for a bicycle but reaches farther along the roof. Check both the hatch and the bicycle handlebar clearance before treating the narrow profile as a complete fit solution.

03

Access can outweigh a five-pound saving

If the bicycle blocks the passenger side, Horizon can become awkward to load. Force gives another route into the box. Think about which side faces the curb at home and whether the other roof accessory can be positioned away from the opening.

Check these before buying

  • Measure your longest and tallest cargo before choosing the shell.
  • Check the exact vehicle and crossbar fit guide, then weigh the rack, empty box and luggage together.

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 checked
See the checked facts and calculation notes
Compared set
26 models
Source records
3 for the products shown
Catalog updated

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.

Facts and source records used for the products in this recommendation
ProductNeeds matchedChecked factsSource records
Thule Force 3 L Sport
  • Carry camping gear
  • Open it from either side
  • 11 cubic feet of advertised volume
  • 175 cm published maximum ski length
  • 75.2 by 24.7 by 16.7 inches outside
SportRack Horizon AlpineNo positive match recorded for these needs
  • The box holds 11 cubic feet.
  • It accepts gear up to 210 centimeters long.
  • The box uses passenger side access.

Ready to choose?

Check the price. Read the owner reviews.

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