tirewheelguide

1981 Porsche 928 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x130 on every 1981 trim.

Tires for the 1981 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. 225/50R16 front + 245/45R16 rear Best-rated standard on 1 trim
    Check price on Amazon · 225/50R16 front Check price on Amazon · 245/45R16 rear
  3. 205/55R16 Best-rated optional on 2 trims
    Check price on Amazon · 205/55R16

Also listed: 225/50R16 215/60R15

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Trims sold in 1981
2
Generation
I

2 trims sold in 1981

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

Porsche 928 I

1977–1995 2 trims
928 4.5 236 hp · M28 V8 185/70SR15 4 fitments
Generation
I · 1977–1995
Power
236 hp
Engine
M28 V8, Petrol
Center bore
71.6 mm
Bolt pattern
5x130
Thread
M14 x 1.5
Check price on Amazon · 185/70R15 Wheels 15x7 ET65 · 5x130 · 71.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/70SR15Rim 15x7 ET65 5x13036 psi
215/60VR15Rim 15x7 ET65 5x13036 psi
205/55SR16Rim 16x7 ET65 5x13036 psi
225/50VR16Rim 16x7 ET65 5x13036 psi
928 4.7 S 296 hp · M28 V8 225/50VR16 / 245/45VR16 3 fitments
Generation
I · 1977–1995
Power
296 hp
Engine
M28 V8, Petrol
Center bore
71.6 mm
Bolt pattern
5x130
Thread
M14 x 1.5
Check price on Amazon · 225/50R16 Check price on Amazon · 245/45R16 Wheels 16x7 ET65 · 5x130 · 71.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
Front225/50VR16Rim 16x7 ET65 5x13036 psi
Rear245/45VR16Rim 16x8 ET52.3 5x13044 psi
205/55SR16Rim 16x7 ET65 5x13036 psi
225/50VR16Rim 16x7 ET65 5x13036 psi
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.
Staggered
A wider tire on the rear axle than the front. Front-to-back rotation is not possible.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1981
2
Generation
I
Other years
All years (1977–1995)

Considering a different size?

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