1990 GEO Metro tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x114.3 on every 1990 trim.

Tires for the 1990 GEO Metro

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

  1. 155/80R12 Best-rated standard on 1 trim · optional on 1
  2. 145/80R12 Best-rated standard on 1 trim
  3. 155/70R13 Best-rated optional on 2 trims

Also listed: 165/65R13 165/60R14

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Trims sold in 1990
2
Generation
GM M

2 trims sold in 1990

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

GEO Metro GM M

1989–1994 2 trims
Metro 1.0 48 hp · I3 145/80R12 75S 4 fitments
Generation
GM M · 1989–1994
Power
48 hp
Engine
I3, Petrol
Center bore
60.1 mm
Bolt pattern
4x114.3
Thread
M10 x 1.25
Tire sizeRim size and bolt patternPressure, psi
145/80R12 75SRim 12x4 ET45 4x114.326 psi
155/80R12 75SRim 12x4.5 ET45 4x114.326 psi
155/70R13 75SRim 13x4.5 ET45 4x114.326 psi
165/65R13 75SRim 13x4.5 ET45 4x114.329 psi

How to read 75S: 75 is the load index (up to 853 lb / 387 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.

Metro 1.0 Convertible 48 hp · I3 155/80R12 75S 4 fitments
Generation
GM M · 1989–1994
Power
48 hp
Engine
I3, Petrol
Center bore
60.1 mm
Bolt pattern
4x114.3
Thread
M12 x 1.25
Tire sizeRim size and bolt patternPressure, psi
155/80R12 75SRim 12x4.5 ET45 4x114.326 psi
155/70R13 75SRim 13x4.5 ET45 4x114.326 psi
165/65R13 75SRim 13x4.5 ET45 4x114.329 psi
165/60R14 75SRim 14x5 ET45 4x114.329 psi

How to read 75S: 75 is the load index (up to 853 lb / 387 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 1990
2
Generation
GM M
Other years
All years (1989–2001)

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