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1977 Pontiac Acadian tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 4x100 on every 1977 trim.

Tires for the 1977 Pontiac Acadian

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

  1. 155/80R13 Best-rated standard on 1 trim
    Check price on Amazon · 155/80R13
  2. 175/70R13 Best-rated optional on 1 trim
    Check price on Amazon · 175/70R13
  3. 175/65R14 Best-rated optional on 1 trim
    Check price on Amazon · 175/65R14

Also listed: 185/55R15

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Trims sold in 1977
1
Generation
T-body

1 trim sold in 1977

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

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 1977
1
Generation
T-body
Other years
All years (1976–1987)

Considering a different size?

Compare your current tire size with the one you want: diameter change, ground clearance and speedometer error.

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