1991 Pontiac Trans Sport tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 1991 trim.

Tires for the 1991 Pontiac Trans Sport

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

  1. 195/75R14 Best-rated standard on 2 trims
  2. 205/70R15 Best-rated standard on 1 trim · optional on 2
  3. 215/65R15 Best-rated optional on 3 trims

Also listed: 225/60R16 215/60R16 225/50R17

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Trims sold in 1991
3
Generation
GMT199

3 trims sold in 1991

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

Pontiac Trans Sport GMT199

1989–1996 3 trims
Trans Sport 2.3i 148 hp · I4 195/75R14 97S 4 fitments
Generation
GMT199 · 1989–1996
Power
148 hp
Engine
I4, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
195/75R14 97SRim 14x5.5 ET39.5 5x11533 psi
205/70R15 97SRim 15x6 ET42 5x11533 psi
215/65R15 98SRim 15x6 ET42 5x11535 psi
215/60R16 96SRim 16x6.5 ET42 5x11535 psi

How to read 97S: 97 is the load index (up to 1,609 lb / 730 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET39.5 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Trans Sport 3.1i 119 hp · V6 195/75R14 97S 4 fitments
Generation
GMT199 · 1989–1996
Power
119 hp
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
195/75R14 97SRim 14x5.5 ET39.5 5x11533 psi
205/70R15 97SRim 15x6 ET42 5x11533 psi
215/65R15 98SRim 15x6 ET42 5x11535 psi
225/60R16 97HRim 16x6.5 ET42 5x11535 psi

How to read 97S: 97 is the load index (up to 1,609 lb / 730 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET39.5 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

Trans Sport 3.8i 170 hp · V6 205/70R15 97S 4 fitments
Generation
GMT199 · 1989–1996
Power
170 hp
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
205/70R15 97SRim 15x6 ET42 5x11533 psi
215/65R15 97HRim 15x6 ET42 5x11535 psi
225/60R16 97HRim 16x6.5 ET42 5x11535 psi
225/50R17 95VRim 17x7 ET40 5x11536 psi

How to read 97S: 97 is the load index (up to 1,609 lb / 730 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET42 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 1991
3
Generation
GMT199
Other years
All years (1989–1999)

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