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1979 Porsche 928 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x130 on every 1979 trim.

Tires for the 1979 Porsche 928

Sizes most trims come with first. Open your trim below for its exact size.

  1. 185/70R15 Best-rated standard on 1 trim
    Check price on Amazon · 185/70R15
  2. 215/60R15 Best-rated optional on 1 trim
    Check price on Amazon · 215/60R15
  3. 205/55R16 Best-rated optional on 1 trim
    Check price on Amazon · 205/55R16

Also listed: 225/50R16

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Trims sold in 1979
1
Generation
I

1 trim sold in 1979

Open a trim for its tire and rim sizes, bolt pattern and tire pressure.

What these columns mean
Rim size
Rim diameter × width in inches, and the factory offset (ET) in millimetres, e.g. 18x7.5 ET25.
Bolt pattern (PCD)
Number of studs and the diameter of the circle they sit on. It must match exactly.
Center bore
Diameter of the hub hole. Larger aftermarket bores need hub-centric rings.
Pressure
Recommended cold inflation pressure for that axle, in psi.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1979
1
Generation
I
Other years
All years (1977–1995)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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