Approved Tires PORSCHE 911 Speedster

4 variants · 2 configurations

Officially FEDRO-approved tire sizes for all PORSCHE 911 Speedster variants.

510.0 CVessence

3 variants

245/35 ZR20 XL

510.0 CV · 3 996 cc · essence · 1XU694510.0 CV · 3 996 cc · essence · 1XU518510.0 CV · 3 996 cc · essence · 1PF764

Standard configuration

Front (AV)

245/35 ZR20 XL

Width245 mm

Aspect ratio35%

Wheel9 x 20" ET 55

Offset (ET)55 mm

Rear (AR)

305/30 ZR20 XL

Width305 mm

Aspect ratio30%

Wheel12 x 20" ET 47

Offset (ET)47 mm

Option 1

Front (AV)

245/35 R20 91V M+S

Width245 mm

Aspect ratio35%

Wheel9 x 20" ET 51

Offset (ET)51 mm

615 kg max240 km/hM+S

Rear (AR)

295/30 R20 97V M+S

Width295 mm

Aspect ratio30%

Wheel11 x 20" ET 59

Offset (ET)59 mm

730 kg max240 km/hM+S

408.0 CVessence

235/35 ZR19

Standard configuration

Front (AV)

235/35 ZR19

Width235 mm

Aspect ratio35%

Wheel8.5 x 19" ET 55

Offset (ET)55 mm

Rear (AR)

305/30 ZR19 XL

Width305 mm

Aspect ratio30%

Wheel11.5 x 19" ET 50

Offset (ET)50 mm

Approved tires: official Swiss data

Every vehicle registered in Switzerland has a list of tire sizes approved by the Federal Roads Office (FEDRO). This data comes from type approvals (TARGA) and determines which tire sizes you can legally mount. Our tool displays standard and optional configurations with wheels, offset, load and speed ratings.

Why respect the approval?

Mounting non-approved tires can lead to inspection failure, fines, or even insurance cancellation in case of an accident. Always check that your tires match the approved sizes for your vehicle.