What tyre size does a Alfa Romeo 8C use?

The most common size is 245/35R20. Depending on generation and engine, the Alfa Romeo 8C uses 3 different sizes including 245/35R20, 275/35R20, 285/35R20.

Where do I find my exact Alfa Romeo 8C 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 › Alfa Romeo › 8C

Alfa Romeo 8C tyre sizes

All factory fitments by generation and engine — 3 sizes across 2 generations.

✓ VALIDATED DATASET

Quick answer

The most common tyre size on the Alfa Romeo 8C is 245/35R20 (overall diameter ≈ 680 mm). Exact fitment depends on generation and engine — full breakdown below.

8C Spider (920) 2009 - 2010 - Cabrio (2009–2010)

Engine	Tyre sizes
4.7 - 450 PS - Benzin - 4691 Hubraum	245/35R20 275/35R20 285/35R20

8C Competizione (920) 2007 - 2010 - Coupé (2007–2010)

Engine	Tyre sizes
4.7 - 450 PS - Benzin - 4691 Hubraum	245/35R20 275/35R20 285/35R20

Not sure which variant you have?
Use the live finder to drill down to your exact engine and year for your Alfa Romeo 8C.
Open the tyre finder →

Run a tyre shop or parts store?
This exact lookup — every vehicle, every size — as a widget on your site, styled to your brand. One line of code, live in 24 hours.
Put this on my site → Try the widget