Porsche 911 Turbo S tyre sizes

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

  • Hatchback
  • 2025–2026
  • 1 versions
Rear325/30R21Front255/35R20
21″ / 20″ rim
Rear
325/30R21
Overall diameter
728 mm
Section width
325 mm
Factory wheel: 12Jx21 ET63
Front
255/35R20
Overall diameter
686 mm
Section width
255 mm
Factory wheel: 9.5Jx20 ET44

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 Turbo S 992.2 2025–2026

VersionFrontRearWheelSource
911 Turbo S T-Hybrid (20/21" wheel)255/35R20325/30R219.5Jx20 ET44 / 12Jx21 ET63Document ↗US

FAQ

What tyre size does the Porsche 911 Turbo S use?

Factory tyre sizes listed in official documents for the Porsche 911 Turbo S: 255/35R20, 325/30R21. The most common size is 255/35R20.

What wheel size does the Porsche 911 Turbo S have?

The Porsche 911 Turbo S 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 Turbo S?

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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