1986 Pontiac Firebird tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120.65 on every 1986 trim.

Tires for the 1986 Pontiac Firebird

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

205/70R14 Best-rated standard on 2 trims · optional on 2

Check price on Amazon · 205/70R14
195/75R14 Best-rated standard on 2 trims

Check price on Amazon · 195/75R14
245/50R16 Best-rated standard on 1 trim · optional on 2

Check price on Amazon · 245/50R16

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Open a trim for its tire and rim sizes, bolt pattern and tire pressure. Trims with the same tires and wheels share a row.

1982–1992 5 trims

Firebird 2.5i +1 variant 89 hp · I4 195/75SR14 4 fitments

Same tires and wheels on: 2.8i

Check price on Amazon · 195/75R14 Wheels 14x6 ET8 · 5x120.65 · 70.3 mm on Amazon

Firebird 5.0 156 hp · V8 205/70SR14 4 fitments

Check price on Amazon · 205/70R14 Wheels 14x7 ET12 · 5x120.65 · 70.3 mm on Amazon

Firebird 5.0i 188 hp · V8 205/70SR14 4 fitments

Check price on Amazon · 205/70R14 Wheels 14x7 ET12 · 5x120.65 · 70.3 mm on Amazon

Firebird 5.7i 225 hp · V8 245/50VR16 2 fitments

Check price on Amazon · 245/50R16 Wheels 16x8 ET16 · 5x120.65 · 70.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
245/50VR16	Rim 16x8 ET16 ~~5x120.65~~	–
255/45R17	Rim 17x8 ET0 ~~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.