1998 Pontiac Grand Am tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x100 on every 1998 trim.

Tires for the 1998 Pontiac Grand Am

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

  1. 195/65R15 Best-rated standard on 1 trim · optional on 1
  2. 195/70R14 Best-rated standard on 1 trim
  3. 205/55R16 Best-rated optional on 2 trims

Also listed: 205/50R17 225/45R17

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

Trims sold in 1998
2
Generation
N-body

2 trims sold in 1998

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

Pontiac Grand Am N-body

1985–1991 2 trims
Grand Am 2.4i 148 hp · I4 195/70SR14 4 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
195/70SR14Rim 14x6 ET41 5x10030 psi
195/65HR15Rim 15x6 ET41 5x10030 psi
205/55HR16Rim 16x6 ET41 5x10035 psi
205/50VR17Rim 17x6.5 ET41 5x10035 psi
Grand Am 3.1i 156 hp · V6 195/65HR15 4 fitments
Generation
N-body · 1985–1991
Power
156 hp
Engine
V6, Petrol
Center bore
57.1 mm
Bolt pattern
5x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
195/65HR15Rim 15x6 ET41 5x10033 psi
205/55HR16Rim 16x6 ET41 5x10035 psi
205/50VR17Rim 17x6.5 ET41 5x10035 psi
225/45VR17Rim 17x7 ET38 5x10036 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 1998
2
Generation
N-body
Other years
All years (1972–2005)

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