tirewheelguide

1975 Pontiac Sunbird tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x101.6 on every 1975 trim.

Tires for the 1975 Pontiac Sunbird

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

  1. 175/80R13 Best-rated standard on 2 trims
    Check price on Amazon · 175/80R13
  2. 195/65R14 Best-rated optional on 2 trims
    Check price on Amazon · 195/65R14

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Trims sold in 1975
2
Generation
H-body

2 trims sold in 1975

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

Pontiac Sunbird H-body

1975–1980 2 trims
Sunbird 2.3 +1 variant 78 hp · I4 175/80SR13 3 fitments

Same tires and wheels on: 3.8

Generation
H-body · 1975–1980
Power
78 hp
Engine
I4, Petrol
Center bore
69.1 mm
Bolt pattern
4x101.6
Thread
7/16" - 20 UNF
Check price on Amazon · 175/80R13 Wheels 13x5 ET37 · 4x101.6 · 69.1 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
175/80SR13Rim 13x5 ET37 4x101.630 psi
175/80SR13Rim 13x6 ET37 4x101.630 psi
195/65HR14Rim 14x6 ET35 4x101.630 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 1975
2
Generation
H-body
Other years
All years (1975–1994)

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

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