Porsche 928 Tire Sizes in Simple-to-Read Graphs

Tire width for different generations

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Quick notes on Porsche 928 tires

    • Min-max tire width: 255 mm
    • Min-max wheel diameter: R17
    • Min-max sidewall height: 102 mm
    • Tire width difference from average: -17.3%
    • Average wheel height: 636 mm
    • Tire width per 1 hp: 0.7 mm / 1 hp
    • Weight per 1 mm of tire width: 6 kg / 1 mm
    • Load to 1 tire: 405 kg / 893 lbs
    • Power to 1 tire: 88 hp / 65 kW
    • Tiremain rating: 10 / 10

Tire width to car width ratio

  • Average tire width: 255 mm;
    Car body width: 1890 mm;
    Car width to tyre width: 14%;
  • Whole wheel height (in. and mm)

  • Disc height: 432 mm;
    Tire height: 102 mm;
    Wheel height: 636 mm;

    Tire width to power ratio

  • 5.4 GTS — 0.7 mm per 1 hp (1 mm/kW)
    Vehicle Tire width / profile height Whole tire height Engine сс to 1 tire Tire circumference Summary tire width
    5.4 GTS 255 / 102 mm 636 mm
    (25 in)
    1349 cc (1.35 L) 1998 mm
    (78.7 in)
    1020 mm
    (40.2 in)
    Vehicle 5.4 GTS
    Tire width / profile height 255 / 102 mm
    Whole tire height 636 mm (25 in)
    Engine сс to 1 tire 1349 cc (1.35 L)
    Tire circumferencee 1998 mm (78.7 in)
    Summary tire width 1020 mm (40.2 in)