1998 Pontiac Firebird tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120.65 on every 1998 trim.

Tires for the 1998 Pontiac Firebird

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

  1. 245/50R16 Best-rated standard on 1 trim · optional on 1
  2. 215/60R16 Best-rated standard on 1 trim
  3. 235/55R16 Best-rated optional on 1 trim

Also listed: 275/40R17 275/35R18

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Trims sold in 1998
2
Generation
F-body IV

2 trims sold in 1998

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

Pontiac Firebird F-body IV

1993–2002 2 trims
Firebird 3.8i 200 hp · V6 215/60HR16 3 fitments
Generation
F-body IV · 1993–2002
Power
200 hp
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
215/60HR16Rim 16x7.5 ET50 5x120.65–
235/55VR16Rim 16x7.5 ET55 5x120.65–
245/50VR16Rim 16x8 ET55 5x120.65–
Firebird 5.7i 302 hp · V8 245/50R16 3 fitments
Generation
F-body IV · 1993–2002
Power
302 hp
Engine
V8, Petrol
Center bore
70.3 mm
Bolt pattern
5x120.65
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
245/50R16Rim 16x8 ET55 5x120.65–
275/40R17Rim 17x9 ET50 5x120.65–
275/35R18Rim 18x9 ET50 5x120.65–
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
F-body IV
Other years
All years (1967–2002)

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