1984 Pontiac Sunbird tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x100 on every 1984 trim.

Tires for the 1984 Pontiac Sunbird

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

  1. 195/70R13 Best-rated standard on 1 trim · optional on 1
  2. 175/80R13 Best-rated standard on 1 trim
  3. 205/60R13 Best-rated optional on 2 trims

Also listed: 205/55R14 205/50R15

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Trims sold in 1984
2
Generation
J-body I

2 trims sold in 1984

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

Pontiac Sunbird J-body I

1982–1987 2 trims
Sunbird 1.8 84 hp · I4 175/80R13 90S 4 fitments
Generation
J-body I · 1982–1987
Power
84 hp
Engine
I4, Petrol
Center bore
57.1 mm
Bolt pattern
5x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
175/80R13 90SRim 13x5.5 ET45 5x10029 psi
195/70SR13Rim 13x6 ET45 5x10029 psi
205/60HR13Rim 13x6 ET45 5x10030 psi
205/55VR14Rim 14x6.5 ET45 5x10033 psi

How to read 90S: 90 is the load index (up to 1,323 lb / 600 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres. Compare offsets in the wheel offset calculator.

Sunbird 1.8T 148 hp · I4 195/70R13 90S 4 fitments
Generation
J-body I · 1982–1987
Power
148 hp
Engine
I4, Petrol
Center bore
57.1 mm
Bolt pattern
5x100
Thread
M12 x 1.5
Tire sizeRim size and bolt patternPressure, psi
195/70R13 90SRim 13x5.5 ET45 5x10029 psi
205/60HR13Rim 13x6 ET45 5x10030 psi
205/55HR14Rim 14x6.5 ET45 5x10033 psi
205/50VR15Rim 15x7 ET40 5x10033 psi

How to read 90S: 90 is the load index (up to 1,323 lb / 600 kg per tire) and S the speed rating (up to 112 mph / 180 km/h). ET45 is the wheel offset: how far the mounting face sits from the rim centre, in millimetres.

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 1984
2
Generation
J-body I
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.

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