tirewheelguide

1981 Opel Ascona tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x100 on every 1981 trim.

Tires for the 1981 Opel Ascona

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

  1. 165xR13 standard on 15 trims · optional on 4
    Check price on Amazon · 165xR13
  2. 155xR13 standard on 4 trims
    Check price on Amazon · 155xR13
  3. 185/70R13 Best-rated standard on 1 trim · optional on 19
    Check price on Amazon · 185/70R13

Also listed: 195/70R13 195/60R14 185/65R14

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Trims sold in 1981
20
Generations
CB

20 trims sold in 1981

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

Opel Ascona C

1981–1988 6 trims
Ascona 1.3 +2 variants 59 hp · 1.3L 13 I4 155x R13 78S 5 fitments

Same tires and wheels on: 1.3 S, 1.6

Generation
C · 1981–1988
Power
59 hp
Engine
1.3L 13 I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 155xR13 Wheels 13x5 ET49 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
155x R13 78SRim 13x5 ET49 4x10028 psi
165x R13 82SRim 13x5 ET49 4x10028 psi
165x R13 82SRim 13x5.5 ET49 4x10028 psi
185/70R13 84SRim 13x5.5 ET49 4x10028 psi
185/65R14 85SRim 14x5.5 ET49 4x10028 psi

How to read 78S: 78 is the load index (up to 937 lb / 425 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Ascona 1.6 D 54 hp · 1.6L 16DA I4 · Diesel 155x R13 78S 5 fitments
Generation
C · 1981–1988
Power
54 hp
Engine
1.6L 16DA I4, Diesel
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 155xR13 Wheels 13x5 ET49 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
155x R13 78SRim 13x5 ET49 4x10029 psi
165x R13 82SRim 13x5 ET49 4x10029 psi
165x R13 82SRim 13x5.5 ET49 4x10029 psi
185/70R13 84SRim 13x5.5 ET49 4x10029 psi
185/65R14 85SRim 14x5.5 ET49 4x10029 psi

How to read 78S: 78 is the load index (up to 937 lb / 425 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Ascona 1.6 S 89 hp · 1.6L 16S I4 165x R13 82S 5 fitments
Generation
C · 1981–1988
Power
89 hp
Engine
1.6L 16S I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 165xR13 Wheels 13x5 ET49 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
165x R13 82SRim 13x5 ET49 4x10028 psi
165x R13 82SRim 13x5.5 ET49 4x10028 psi
185/70R13 84SRim 13x5.5 ET49 4x10028 psi
185/65R14 85SRim 14x5.5 ET49 4x10028 psi
195/60R14 85HRim 14x5.5 ET49 4x10029 psi

How to read 82S: 82 is the load index (up to 1,047 lb / 475 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Ascona 1.8 E 114 hp · 1.8L 18E I4 165x R13 82T 5 fitments
Generation
C · 1981–1988
Power
114 hp
Engine
1.8L 18E I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 165xR13 Wheels 13x5.5 ET49 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
165x R13 82TRim 13x5.5 ET49 4x10029 psi
165x R13 82TRim 13x5 ET49 4x10029 psi
185/70R13 84TRim 13x5.5 ET49 4x10029 psi
185/65R14 85TRim 14x5.5 ET49 4x10029 psi
195/60R14 85HRim 14x5.5 ET49 4x10030 psi

How to read 82T: 82 is the load index (up to 1,047 lb / 475 kg per tire) and T the speed rating (up to 118 mph / 190 km/h). ET49 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Opel Ascona B

1975–1981 14 trims
Ascona 1.2 N +4 variants 54 hp · 1.2L 12N I4 165x R13 82S 4 fitments

Same tires and wheels on: 1.2 S, 1.3 N, 1.3 S, 1.6 N

Generation
B · 1975–1981
Power
54 hp
Engine
1.2L 12N I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 165xR13 Wheels 13x5 ET37 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
165x R13 82SRim 13x5 ET37 4x10025 psi
165x R13 82SRim 13x5.5 ET37 4x10025 psi
185/70R13 84SRim 13x5.5 ET37 4x10025 psi
195/70R13 84SRim 13x5.5 ET37 4x10025 psi

How to read 82S: 82 is the load index (up to 1,047 lb / 475 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET37 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Ascona 1.6 S +7 variants 68 hp · 1.6L 16S I4 165x R13 82S 5 fitments

Same tires and wheels on: 1.9 N, 1.9 S, 2.0 D, 2.0 E, 2.0 N, 2.0 S

Generation
B · 1975–1981
Power
68 hp
Engine
1.6L 16S I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 165xR13 Wheels 13x5 ET37 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
165x R13 82SRim 13x5 ET37 4x10025 psi
165x R13 82SRim 13x5.5 ET37 4x10025 psi
185/70R13 84SRim 13x5.5 ET37 4x10025 psi
195/70R13 84SRim 13x5.5 ET37 4x10025 psi
195/60R14 85HRim 14x6 ET37 4x10025 psi

How to read 82S: 82 is the load index (up to 1,047 lb / 475 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET37 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Ascona 2.4 E 142 hp · 2.0L 400/KAA I4 185/70R13 84S 5 fitments
Generation
B · 1975–1981
Power
142 hp
Engine
2.0L 400/KAA I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Check price on Amazon · 185/70R13 Wheels 13x5.5 ET37 · 4x100 · 56.6 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
185/70R13 84SRim 13x5.5 ET37 4x10025 psi
195/70R13 84SRim 13x5.5 ET37 4x10025 psi
185/70R13 84HRim 13x6 ET37 4x10025 psi
195/70R13 84HRim 13x6 ET37 4x10025 psi
195/60R14 85HRim 14x6 ET37 4x10025 psi

How to read 84S: 84 is the load index (up to 1,102 lb / 500 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET37 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 1981
20
Generations
CB
Other years
All years (1970–1988)

Considering a different size?

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