Porsche 911 GT3 RS tyre sizes

Factory tyre sizes for the Porsche 911 GT3 RS as listed in the maker's official documents. Each of the 1 rows links its source document.

  • Hatchback
  • 2023–2025
  • 1 versions
Rear335/30R21Front275/35R20
21″ / 20″ rim
Rear
335/30R21
Overall diameter
734 mm
Section width
335 mm
Factory wheel: 13Jx21 ET31
Front
275/35R20
Overall diameter
700 mm
Section width
275 mm
Factory wheel: 10Jx20 ET45

The tyres on the car may have been changed. For the exact size, check the label in the door frame or the registration.

Change the size, press the gas: see the difference →

Some rows come from an official document of another country (US). Your market's version may differ; compare with the door label.

Tyres and wheels by version

911 GT3 RS 992 2023–2025

VersionFrontRearWheelSource
911 GT3 RS (20/21" wheel)275/35R20335/30R2110Jx20 ET45 / 13Jx21 ET31Document ↗US

FAQ

What tyre size does the Porsche 911 GT3 RS use?

Factory tyre sizes listed in official documents for the Porsche 911 GT3 RS: 275/35R20, 335/30R21. The most common size is 275/35R20.

What wheel size does the Porsche 911 GT3 RS have?

The Porsche 911 GT3 RS was sold with 20, 21 inch wheels in the sourced versions. The number after R on your tyre's sidewall tells you which one you have.

Can I fit a different tyre size on the Porsche 911 GT3 RS?

A size whose overall diameter is within 3% of the factory size, with no lower load index or speed rating, usually fits. For final approval check the door label, CoC and your tyre shop.

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