1971 Opel Ascona tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x100 on every 1971 trim.

Tires for the 1971 Opel Ascona

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

  1. 165xR13 standard on 4 trims · optional on 3
  2. 155xR13 standard on 3 trims
  3. 185/70R13 Best-rated optional on 7 trims

Also listed: 185/65R14

TireWheelGuide may earn a commission from purchases made through these links.

Trims sold in 1971
7
Generation
A

7 trims sold in 1971

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 A

1970–1975 7 trims
Ascona 1.2 S +2 variants 59 hp · 1.2L 12S I4 155x SR13 4 fitments

Same tires and wheels on: 1.6 N

Generation
A · 1970–1975
Power
59 hp
Engine
1.2L 12S I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
155x SR13Rim 13x5 ET37 4x10023 psi
165x SR13Rim 13x5 ET37 4x10023 psi
165x SR13Rim 13x5.5 ET37 4x10023 psi
185/70SR13Rim 13x5.5 ET37 4x10023 psi
Ascona 1.6 S +3 variants 79 hp · 1.6L 16S I4 165x SR13 4 fitments

Same tires and wheels on: 1.9 S

Generation
A · 1970–1975
Power
79 hp
Engine
1.6L 16S I4, Petrol
Center bore
56.6 mm
Bolt pattern
4x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
165x SR13Rim 13x5 ET37 4x10023 psi
165x SR13Rim 13x5.5 ET37 4x10023 psi
185/70SR13Rim 13x5.5 ET37 4x10023 psi
185/65HR14Rim 14x5.5 ET37 4x10026 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.
Thread size
Lug bolt or nut thread — needed when buying aftermarket fasteners.
Trims sold in 1971
7
Generation
A
Other years
All years (1970–1988)

Considering a different size?

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

Open the size calculator