1975 Audi 100 tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x108 on every 1975 trim.

Tires for the 1975 Audi 100

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

  1. 165xR14 standard on 3 trims
  2. 175/70R14 Best-rated optional on 3 trims
  3. 185/65R14 Best-rated optional on 3 trims

Also listed: 195/60R14 195/55R15 195/50R16 205/45R16 185/70R14

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Trims sold in 1975
3
Generation
C1

3 trims sold in 1975

Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

Audi 100 C1

1968–1976 3 trims
100 1.6 +1 variant 84 hp · YM I4 165x R14 85S 7 fitments

Same tires and wheels on: 1.8

Generation
C1 · 1968–1976
Power
84 hp
Engine
YM I4, Petrol
Center bore
57.1 mm
Bolt pattern
4x108
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
165x R14 85SRim 14x5.5 ET45 4x10832 psi
175/70R14Rim 14x5.5 ET42 4x10832 psi
185/65R14Rim 14x5.5 ET42 4x10832 psi
195/60R14Rim 14x6 ET38 4x10832 psi
195/55R15Rim 15x6 ET38 4x10832 psi
195/50R16Rim 16x6.5 ET35 4x10832 psi
205/45R16Rim 16x6.5 ET35 4x10832 psi

How to read 85S: 85 is the load index (up to 1,135 lb / 515 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

100 1.9 110 hp · 1.9L ZJ I4 165x R14 85S 8 fitments
Generation
C1 · 1968–1976
Power
110 hp
Engine
1.9L ZJ I4, Petrol
Center bore
57.1 mm
Bolt pattern
4x108
Thread
M14 x 1.5
Tire sizeRim size and bolt patternPressure, psi
165x R14 85SRim 14x5.5 ET45 4x10832 psi
175/70R14Rim 14x5.5 ET42 4x10832 psi
185/70R14 88HRim 14x5.5 ET45 4x10832 psi
185/65R14Rim 14x5.5 ET42 4x10832 psi
195/60R14Rim 14x6 ET38 4x10832 psi
195/55R15Rim 15x6 ET38 4x10832 psi
195/50R16Rim 16x6.5 ET35 4x10832 psi
205/45R16Rim 16x6.5 ET35 4x10832 psi

How to read 85S: 85 is the load index (up to 1,135 lb / 515 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

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 1975
3
Generation
C1
Other years
All years (1968–1994)

Considering a different size?

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