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928

Rims for Porsche 928 in Easy-to-Read Graphs

Average rim size per years

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Quick notes on Porsche 928 rims

    • Average rim diameter: 17 in. (432 mm)
    • Average rim width: 8.5 in. (216 mm)
    • Max speed on original rims: 171 mph (275 km/h)
    • Load to one rim: 405 kg (893 lbs)
    • Rim diameter to car height: 34%
    • Power in 1 mm of rim width: 1.62 hp/mm (1.19 kW/mm)
    • Rims diameter to fuel consumption: 21.6 mm to 1 mpg
    • Summary width of rims: 34 in. (864 mm)
    • Rim circumference: 53.4 in. per wheel (1356 mm)
    • Rimsley rating: 4 / 10

Original 1978 Porsche 928 rim size

  • 5.4 GTS — 8.5 in. width and 17 in. diameter

    Possible tire width

  • 5.4 GTS — 225 mm min and 255 mm max

    • Disc diameter to power ratio

  • 5.4 GTS — 21 hp per 1 in. (15 kW/in)

    Vehicle Rim width and diameter Rim diameter to torque Rim width to diameter ratio Total rims circumference Total rims width
    5.4 GTS 8.5J x 17
    (216 x 432 mm)     		0.9 mm to 1 Nm 50% 214 in.
    (5436 mm)     		34 in.
    (864 mm)
    Vehicle 5.4 GTS
    Rim width and diameter 8.5J x 17
    (216 x 432 mm)
    Rim diameter to torque 0.9 mm to 1 Nm
    Rim width to diameter ratio 50%
    Total rims circumference 214 in.
    (5436 mm)
    Total rims width 34 in.
    (864 mm)