Head-to-head

Yakima SkyBox NX 18 XL vs Thule Force 3 XL: Thule takes 200 cm skis, Yakima relaxes hatch and wide-bar constraints

The short answer

Choose Force 3 XL for 200 cm skis. Choose SkyBox NX 18 for a published 24 to 40 inch spread and slightly better hatch clearance.

Before you choose

The reasoning and the trade-offs

The needs that actually separate these two

Yakima SkyBox NX XL has the stronger fit for “Fit bars set far apart” and “Fit a narrow crossbar spread”. Thule Force 3 XL has the stronger fit for “Keep the rear hatch clear” and “Carry long Nordic skis”.

What this is based on

This compares the current strong and useful fit assignments for the exact products. It does not turn them into one overall score.

Main trade-off

Yakima SkyBox NX XL

Its 195 cm ski limit is just short of 200 cm Nordic skis.

Main trade-off

Thule Force 3 XL

The selected version is black matte, so choose Motion if a glossy shell is your preference.

Yakima SkyBox NX XL

Yakima SkyBox NX XL

Choose it for
  • Fit a narrow crossbar spread
  • Fit bars set far apart
Main trade-off
Its 195 cm ski limit is just short of 200 cm Nordic skis.
See price & reviews on Amazon
Thule Force 3 XL

Thule Force 3 XL

Choose it for
  • Keep the rear hatch clear
  • Carry long Nordic skis
Main trade-off
The selected version is black matte, so choose Motion if a glossy shell is your preference.
See price & reviews on Amazon

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

About this comparison

Yakima SkyBox NX 18 XL and Thule Force 3 XL compared by volume and gear length, vehicle measurements, loading and hardware.

The practical choice turns on volume and gear length and vehicle measurements, then on the constraints in your own setup.

Winner by situation

Start with what you need it to do

  • Fit a narrow crossbar spread

    Both records list “Opens from either side” for loading and hardware. Both records show the same result for “Loading and hardware”, so this row does not separate them.

    Yakima SkyBox NX XL
    Better fit
    Thule Force 3 XL
    Depends
  • Keep the rear hatch clear

    Only passes when the measured front-crossbar-to-hatch distance exceeds the manufacturer's published clearance requirement.

    Yakima SkyBox NX XL
    Depends
    Thule Force 3 XL
    Better fit
  • Carry long Nordic skis

    Published maximum ski length is at least 200 cm.

    Yakima SkyBox NX XL
    Depends
    Thule Force 3 XL
    Better fit
  • Fit bars set far apart

    The verified maximum center-to-center crossbar spread is at least 36 inches. Bar width and profile still need a separate fit check.

    Yakima SkyBox NX XL
    Better fit
    Thule Force 3 XL
    Depends
  • Pack for a family of four

    For volume and gear length, Yakima SkyBox NX XL records “18 cu ft. Gear up to 195 cm” and Thule Force 3 XL records “18 cu ft. Gear up to 200 cm”. Treat this as a hard limit on the size or amount that fits in one run. Shape can matter as much as the headline figure.

    Yakima SkyBox NX XL
    Similar
    Thule Force 3 XL
    Similar

What matters in practice

The differences that matter

The needs that actually separate these two

Yakima SkyBox NX XL has the stronger fit for “Fit bars set far apart” and “Fit a narrow crossbar spread”. Thule Force 3 XL has the stronger fit for “Keep the rear hatch clear” and “Carry long Nordic skis”.

How we reached this conclusion

This compares the current strong and useful fit assignments for the exact products. It does not turn them into one overall score.

The selected needs do not separate this pair

Both products cover the same 2 of 2 buyer requirements attached to this comparison. The choice moves to “volume and gear length” and “vehicle measurements”.

How we reached this conclusion

This checks the two products against the same selected needs, then names the first verified differences that remain.

Finding models for “Carry skis without folding the seats” and “Pack for a family of four”

12 of 26 checked roof cargo boxes cover both “Carry skis without folding the seats” and “Pack for a family of four”. Both products are in that group.

How we reached this conclusion

The count is reproduced by filtering the current category dataset for products with a strong or useful fit for both needs.

Choice A
Yakima SkyBox NX XL

Yakima, SkyBox NX 18 XL

Yakima SkyBox NX XL

The box holds 18 cubic feet. It accepts gear up to 195 centimeters long.

Best matched use
carry skis without folding the seats and pack for a family of four

Checked facts

  • The box holds 18 cubic feet.
  • It accepts gear up to 195 centimeters long.
  • The documented crossbar spread runs from 24 to 40 inches.
  • The box uses dual-sided access.
Choice B
Thule Force 3 XL

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
carry skis without folding the seats and pack for a family of four

Checked facts

  • The box holds 18 cubic feet.
  • It accepts gear up to 200 centimeters long.
  • The documented crossbar spread runs from 21.875 to 36.625 inches.
  • The box uses dualside access.

Meaningful differences

What changes the fit

Meaningful differences between Yakima SkyBox NX XL and Thule Force 3 XL
What changesYakima SkyBox NX XLThule Force 3 XLWhy it matters
Volume and gear length18 cu ft. Gear up to 195 cm18 cu ft. Gear up to 200 cmTreat this as a hard limit on the size or amount that fits in one run. Shape can matter as much as the headline figure.
Vehicle measurements24 to 40 in bar spread. 50 in hatch clearance21.875 to 36.625 in bar spread. 53.0625 in hatch clearanceMeasure the available space and mounting points because this can be a hard fit constraint.
Loading and hardwareOpens from either sideOpens from either sideBoth records show the same result for “Loading and hardware”, so this row does not separate them.

What you give up

Every choice has a cost

If you choose Yakima SkyBox NX XL

  • At 53 pounds empty, low-rated roofs and solo removal need attention.

If you choose Thule Force 3 XL

  • The front-bar-to-hatch measurement must exceed 53 1/16 inches in the US fit chart.

What matters in practice

How to make the call

01

The useful difference

Both hold 18 cubic feet.

02

What the numbers change

Yakima is four pounds heavier but needs three inches less front clearance.

Check these before buying

  • Vehicle fit-guide approval
  • Crossbar spread
  • Hatch clearance
  • Longest internal gear
  • Roof and crossbar load limits

What this comparison cannot tell you

  • This screen cannot certify vehicle compatibility.
  • Published volume does not guarantee a particular suitcase layout.
  • Roof limits vary by vehicle configuration.

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

12 of 26 models checked match every need here: “Carry skis without folding the seats” and “Pack for a family of four”.

12 matching models from 26 checked
See the checked facts and calculation notes
Compared set
26 models
Source records
5 for the products shown
Catalog updated

Match countThe count uses the current product-to-need assignments for “Carry skis without folding the seats” and “Pack for a family of four”. A need with no documented match does not count.

Facts and source records used for the products in this recommendation
ProductNeeds matchedChecked factsSource records
Yakima SkyBox NX XL
  • Carry skis without folding the
  • Pack for a family of
  • The box holds 18 cubic feet.
  • It accepts gear up to 195 centimeters long.
  • The documented crossbar spread runs from 24 to 40 inches.
Thule Force 3 XL
  • Carry skis without folding the
  • Pack for a family of
  • The box holds 18 cubic feet.
  • It accepts gear up to 200 centimeters long.
  • The documented crossbar spread runs from 21.875 to 36.625 inches.

Ready to choose?

Check the price. Read the owner reviews.

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