What tyre size does a Smart Roadster use?

The most common size is 185/55R15. Depending on generation and engine, the Smart Roadster uses 5 different sizes including 185/55R15, 205/40R17, 205/45R16, 205/50R15, 225/35R17.

Where do I find my exact Smart Roadster tyre size?

Check the tyre placard in the driver's door jamb or fuel flap, or use the lookup tool on this page to select your generation and engine.

Tyres › Smart › Roadster

Smart Roadster tyre sizes

All factory fitments by generation and engine — 5 sizes across 2 generations.

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Quick answer

The most common tyre size on the Smart Roadster is 185/55R15 (overall diameter ≈ 585 mm). Exact fitment depends on generation and engine — full breakdown below.

Roadster (452) 2003 - 2005 - Cabrio (2003–2005)

Engine	Tyre sizes
Roadster 0.7 - 61 PS - Benzin - 698 Hubraum	185/55R15 205/40R17 205/45R16 205/50R15 225/35R17
Roadster 0.7 - 82 PS - Benzin - 698 Hubraum	185/55R15 205/40R17 205/45R16 205/50R15 225/35R17
Roadster Brabus 0.7 - 101 PS - Benzin - 698 Hubraum	185/55R15 205/40R17 205/45R16 205/50R15 225/35R17

Roadster (452) 2003 - 2005 - Coupé (2003–2005)

Engine	Tyre sizes
Roadster Coupé 0.7 - 61 PS - Benzin - 698 Hubraum	185/55R15 205/40R17 205/45R16 205/50R15 225/35R17
Roadster Coupé 0.7 - 82 PS - Benzin - 698 Hubraum	185/55R15 205/40R17 205/45R16 205/50R15 225/35R17
Roadster Coupé Brabus 0.7 - 101 PS - Benzin - 698 Hubraum	185/55R15 205/40R17 205/45R16 205/50R15 225/35R17

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