1988 Pontiac Grand Am tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x100 on every 1988 trim.

Tires for the 1988 Pontiac Grand Am

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

  1. 185/80R13 Best-rated standard on 2 trims
  2. 215/60R14 Best-rated standard on 1 trim · optional on 2
  3. 205/70R13 Best-rated optional on 2 trims

Also listed: 205/60R15 215/50R16

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Trims sold in 1988
3
Generation
N-body

3 trims sold in 1988

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

Pontiac Grand Am N-body

1985–1991 3 trims
Grand Am 2.0T 165 hp · I4 215/60HR14 3 fitments
Generation
N-body · 1985–1991
Power
165 hp
Engine
I4, Petrol
Center bore
57.1 mm
Bolt pattern
5x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/60HR14Rim 14x6 ET42 5x10030 psi
205/60HR15Rim 15x6 ET42 5x10030 psi
215/50VR16Rim 16x6.5 ET40 5x10033 psi
Grand Am 2.3i 148 hp · I4 185/80SR13 3 fitments
Generation
N-body · 1985–1991
Power
148 hp
Engine
I4, Petrol
Center bore
57.1 mm
Bolt pattern
5x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
185/80SR13Rim 13x5.5 ET38 5x10029 psi
205/70SR13Rim 13x5.5 ET42 5x10029 psi
215/60HR14Rim 14x6 ET42 5x10032 psi
Grand Am 2.5i 98 hp · I4 185/80SR13 3 fitments
Generation
N-body · 1985–1991
Power
98 hp
Engine
I4, Petrol
Center bore
57.1 mm
Bolt pattern
5x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
185/80SR13Rim 13x5.5 ET38 5x100–
205/70SR13Rim 13x5.5 ET42 5x100–
215/60HR14Rim 14x6 ET42 5x100–
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 1988
3
Generation
N-body
Other years
All years (1972–2005)

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