What tyre size does a Porsche 991 (911) use?

The most common size is 245/35R20. Depending on generation and engine, the Porsche 991 (911) uses 9 different sizes including 245/35R20, 265/35R20, 315/35R20, 325/30R21, 295/30R20.

Where do I find my exact Porsche 991 (911) 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 › Porsche › 991 (911)

Porsche 991 (911) tyre sizes

All factory fitments by generation and engine — 9 sizes across 12 generations.

✓ VALIDATED DATASET

Quick answer

The most common tyre size on the Porsche 991 (911) is 245/35R20 (overall diameter ≈ 680 mm). Exact fitment depends on generation and engine — full breakdown below.

911 GT2 RS (991) 2017 - 2019 - Coupe (2017–2019)

Engine	Tyre sizes
911 GT2 RS 3.8 - 700 PS - Petrol - 3800 Hubraum	245/35R20 265/35R20 315/35R20 325/30R21

911 R (991) 2016 - 2019 - Coupe (2016–2019)

Engine	Tyre sizes
911 R - 500 PS - Benzin - 3996 Hubraum	245/35R20 295/30R20 305/30R20

911 (991/Facelift) 2015 - 2019 - Coupe (2015–2019)

Engine	Tyre sizes
911 Carrera - 370 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4 - 370 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S - 420 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S 3.0 - 450 PS - Petrol - 2981 Hubraum	245/35R20 295/30R20 305/30R20
911 Carrera S - 420 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera S 3.0 - 450 PS - Petrol - 2981 Hubraum	245/35R20 295/30R20 305/30R20
911 Carrera T - 370 PS - Petrol - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20

911 Convertible (991/Facelift) 2015 - 2019 - Convertible (2015–2019)

Engine	Tyre sizes
911 Carrera - 370 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4 - 370 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S - 420 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S Cabrio 3.0 - 450 PS - Petrol - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera S - 420 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera S Cabrio 3.0 - 450 PS - Petrol - 2981 Hubraum	245/35R20 295/30R20 305/30R20 235/40R19 295/35R19
911 Speedster Cabrio - 510 PS - Petrol - 3996 Hubraum	245/35R20 295/30R20 305/30R20

911 Targa (991) 2014 - 2019 - Convertible (2014–2019)

Engine	Tyre sizes
911 Targa 4 - 349 PS - Benzin - 3436 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4 - 370 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4 GTS - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4 GTS - 450 PS - Petrol - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4S - 400 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4S - 420 PS - Benzin - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4S - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Targa 4S - 450 PS - Petrol - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20

911 GT3 (991) 2013 - 2019 - Coupe (2013–2019)

Engine	Tyre sizes
911 GT3 (Facelift) - 500 PS - Petrol - 3996 Hubraum	245/35R20 295/30R20 305/30R20
911 GT3 - 476 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 GT3 RS - 500 PS - Benzin - 3996 Hubraum	245/35R20 265/35R20 315/35R20 325/30R21
911 GT3 RS 4.0 (Facelift) - 521 PS - Petrol - 3996 Hubraum	245/35R20 265/35R20 315/35R20 325/30R21

911 Turbo (991) 2013 - 2019 - Coupe (2013–2019)

Engine	Tyre sizes
911 Turbo 4 - 521 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo 4 - 540 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo 4S - 560 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo S - 581 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo S Exclusive Series - 606 PS - Petrol - 3800 Hubraum	245/35R20 295/30R20 305/30R20

911 Turbo (991) 2013 - 2019 - Convertible (2013–2019)

Engine	Tyre sizes
911 Turbo 4 Cabrio - 521 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo 4 Cabrio - 540 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo 4S Cabrio - 560 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20
911 Turbo 4S Cabrio - 581 PS - Benzin - 3800 Hubraum	245/35R20 295/30R20 305/30R20

911 GTS (991) 2012 - 2019 - Coupe (2012–2019)

Engine	Tyre sizes
911 Carrera 4 GTS - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4 GTS - 450 PS - Petrol - 2981 Hubraum	245/35R20 295/30R20 305/30R20
911 Carrera GTS - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 295/35R19 305/30R20
911 Carrera GTS - 450 PS - Petrol - 2981 Hubraum	245/35R20 295/30R20 305/30R20

911 GTS Convertible (991) 2012 - 2019 - Convertible (2012–2019)

Engine	Tyre sizes
911 Carrera 4 GTS Cabrio - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4 GTS Cabrio 3.0 - 450 PS - Petrol - 2981 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera GTS Cabrio - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 305/30R20 295/35R19
911 Carrera GTS Cabrio 3.0 - 450 PS - Petrol - 2981 Hubraum	245/35R20 295/30R20 305/30R20 235/40R19 295/35R19

911 (991) 2011 - 2015 - Coupe (2011–2015)

Engine	Tyre sizes
911 Carrera - 349 PS - Benzin - 3436 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 305/30R20
911 Carrera 4 - 349 PS - Benzin - 3436 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20 285/35R19
911 Carrera 4S - 400 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera S - 400 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 295/35R19 305/30R20
911 Carrera S - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 295/35R19 305/30R20

911 Convertible (991) 2011 - 2015 - Convertible (2011–2015)

Engine	Tyre sizes
911 Carrera 4 Cabrio - 349 PS - Benzin - 3436 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S Cabrio - 400 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera 4S Cabrio - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 295/30R20 295/35R19 305/30R20
911 Carrera Cabrio - 349 PS - Benzin - 3436 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 305/30R20 295/35R19
911 Carrera S Cabrio - 400 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 305/30R20 295/35R19
911 Carrera S Cabrio - 430 PS - Benzin - 3800 Hubraum	235/40R19 245/35R20 285/35R19 295/30R20 305/30R20 295/35R19

Not sure which variant you have?
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