Thule Motion 3 Medium / XL / XXL: Which Size Should You Choose?
Choosing between the Thule Motion 3 Medium (M), XL and XXL comes down to one thing: how much you carry (and how often). This guide makes it simple — with quick recommendations, a comparison table, and direct links to the right products.
Shop the full range here: Thule Motion 3 Roof Boxes Collection
Quick answer (most people)
- 400L - Medium -best for couples / small families, weekend breaks, and everyday luggage.
- 500L - XL -best all-round choice for most families and longer trips.
- 600L - XXL -best if you regularly travel fully loaded, carry bulky kit, or want maximum space.
Thule Motion 3 Medium (M): the everyday sweet spot (400L)
If you want extra space without going “too big” on the roof, the Motion 3 Medium (M) is a strong choice. It’s ideal for soft bags, weekend luggage, and everyday family use — especially on hatchbacks and smaller SUVs.
Shop Medium (M): Thule Motion 3 M Roof Box (400L)
- Best for: couples, small families, weekend trips
- Ideal loads: soft bags, suitcases, prams, day-to-day storage
- Choose M if: you want extra boot space without a large roof footprint
Thule Motion 3 XL: the best all-rounder (500L)
The Motion 3 XL is the “do-it-all” choice — great for families, longer breaks, and mixed loads. If you take regular trips and don’t want to think too hard about capacity, XL is usually the safest pick.
Shop XL: Thule Motion 3 XL Roof Box (500L)
- Best for: most families, frequent travellers
- Ideal loads: bigger suitcases, family luggage, holiday gear
- Choose XL if: you want the best balance of capacity and everyday usability
Thule Motion 3 XXL: maximum space (600L)
Need the biggest capacity in the Motion 3 range? The XXL is designed for maximum storage. It’s perfect for large family holidays, bulky kit (camping), and trips where you don’t want to leave anything behind.
Shop XXL: Thule Motion 3 XXL Roof Box (600L)
- Best for: big loads, long trips, bulky equipment
- Ideal loads: camping kit, large suitcases, fully-loaded family travel
- Choose XXL if: you regularly max out your car’s boot space
Bonus: consider a Low-profile option (garage height / lower overall height)
If you want a lower overall height (for garage clearance or simply a sleeker profile), consider a Motion 3 low-profile option. A popular one is the XL Low (400L).
Shop XL Low: Thule Motion 3 XL Low Roof Box (400L)
Medium vs XL vs XXL: comparison table
| Size | Volume | Best for | Recommended if… |
|---|---|---|---|
| Medium (M) | 400L | Everyday use, weekends | You want extra space without a large roof box |
| XL | 500L | Most families | You want the best all-round choice for holidays |
| XXL | 600L | Maximum capacity | You travel fully loaded or carry bulky kit regularly |