Porsche 968 Tire Sizes in Simple-to-Read Graphs

Tire width for different generations

- Min-max tire width: 265 mm
- Min-max wheel diameter: R18
- Min-max sidewall height: 93 mm
- Tire width difference from average: -20.4%
- Average wheel height: 643 mm
- Tire width per 1 hp: 1 mm / 1 hp
- Weight per 1 mm of tire width: 5 kg / 1 mm
- Load to 1 tire: 334 kg / 736 lbs
- Power to 1 tire: 68 hp / 50 kW
- Tiremain rating: 10 / 10

Average tire width: 265 mm;
Car body width: 1735 mm;
Car width to tyre width: 15%;

Disc height: 457 mm;
Tire height: 93 mm;
Wheel height: 643 mm;

3.0i 16V — 1.1 mm per 1 hp (1.5 mm/kW)

3.0i 16V Turbo S — 0.9 mm per 1 hp (1.2 mm/kW)

Vehicle	Tire width / profile height	Whole tire height	Engine сс to 1 tire	Tire circumference	Summary tire width
3.0i 16V	265 / 93 mm	643 mm (25.3 in)	748 cc (0.75 L)	2020 mm (79.5 in)	1060 mm (41.7 in)
3.0i 16V Turbo S	265 / 93 mm	643 mm (25.3 in)	748 cc (0.75 L)	2020 mm (79.5 in)	1060 mm (41.7 in)

- Min-max tire width: 235 mm
- Min-max wheel diameter: R18
- Min-max sidewall height: 94 mm
- Tire width difference from average: -10.2%
- Average wheel height: 645 mm
- Tire width per 1 hp: 1 mm / 1 hp
- Weight per 1 mm of tire width: 6 kg / 1 mm
- Load to 1 tire: 360 kg / 794 lbs
- Power to 1 tire: 60 hp / 44 kW
- Tiremain rating: 8 / 10

Average tire width: 255 mm;
Car body width: 1735 mm;
Car width to tyre width: 15%;

Disc height: 457 mm;
Tire height: 93 mm;
Wheel height: 644 mm;

3.0i 16V — 1 mm per 1 hp (1.3 mm/kW)

Vehicle	Tire width / profile height	Whole tire height	Engine сс to 1 tire	Tire circumference	Summary tire width
3.0i 16V	235 / 94 mm	645 mm (25.4 in)	748 cc (0.75 L)	2026 mm (79.8 in)	940 mm (37 in)