1978 Pontiac Catalina tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x120.65 on every 1978 trim.

Tires for the 1978 Pontiac Catalina

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

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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.

1977–1981 6 trims

Catalina 3.8 +5 variants N/A · V6 205/75R15 2 fitments

Same tires and wheels on: 4.1, 4.3, 4.9, 5.7, 6.6

Check price on Amazon · 205/75R15 Wheels 15x6 ET0 · 5x120.65 · 70.3 mm on Amazon

Tire size	Rim size and bolt pattern	Pressure, psi
205/75R15	Rim 15x6 ET0 5x120.65	–
225/70R15	Rim 15x7 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.