Verdict
Head-to-head · Best Roof Cargo Boxes

Thule Motion 3 XL Low vs Yakima SkyBox 16 Carbonite

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Thule Motion 3 XL Low comes out ahead by a narrow margin (4.8 vs 4.6). The gap is mostly about family road trippers wanting flagship-tier cargo box — read the strengths below before deciding.

Thule Motion 3 XL Low
Higher ratedRanked #1 in Best Roof Cargo Boxes
Thule Motion 3 XL Low
$900

The Motion 3 XL Low is the best-overall pick — Thule's flagship combines quality, features, and ease.

Strengths
  • Best all-around quality + features + ease of use
  • Low-profile design reduces wind noise
  • SwingRight dual-side opening
Watch-outs
  • Premium pricing
  • Heavier than aluminum boxes
  • Requires roof rack base
Yakima SkyBox 16 Carbonite
Ranked #5 in Best Roof Cargo Boxes
Yakima SkyBox 16 Carbonite
$599

The SkyBox Carbonite is the budget Yakima pick — older Yakima cargo box at $599.

Strengths
  • Textured Carbonite finish hides scratches
  • Mid-tier Yakima at value price
  • 16 cu ft capacity
Watch-outs
  • Older Carbonite vs newer NX line
  • Lower capacity than XL
  • Texture marks differently than smooth finish

How they stack up

Thule Motion 3 XL Low

Best overall. Low-profile. Lifetime warranty.

Yakima SkyBox 16 Carbonite

Budget Yakima. Carbonite texture. Lower capacity.

Specs side-by-side

SpecThule Motion 3 XL LowYakima SkyBox 16 Carbonite
CapacityXL16 cu ft
ProfileLow
OpeningSwingRight dual
BrandThuleYakima
FinishCarbonite texture
TierBudget
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