tirewheelguide

1991 Pontiac Bonneville tire and wheel sizes, bolt pattern and tire pressure

Bolt pattern 5x115 on every 1991 trim.

Tires for the 1991 Pontiac Bonneville

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

  1. 205/75R14 Best-rated standard on 1 trim
    Check price on Amazon · 205/75R14
  2. 205/70R15 Best-rated optional on 1 trim
    Check price on Amazon · 205/70R15
  3. 205/75R15 Best-rated optional on 1 trim
    Check price on Amazon · 205/75R15

Also listed: 215/65R15

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Trims sold in 1991
1
Generation
H-body I

1 trim sold in 1991

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

Pontiac Bonneville H-body I

1987–1991 1 trim
Bonneville 3.8i 165 hp · V6 205/75SR14 4 fitments
Generation
H-body I · 1987–1991
Power
165 hp
Engine
V6, Petrol
Center bore
70.3 mm
Bolt pattern
5x115
Thread
M12 x 1.5
Check price on Amazon · 205/75R14 Wheels 14x6 ET39 · 5x115 · 70.3 mm on Amazon
Tire sizeRim size and bolt patternPressure, psi
205/75SR14Rim 14x6 ET39 5x11532 psi
205/70SR15Rim 15x6 ET41 5x11532 psi
205/75SR15Rim 15x6 ET41 5x11532 psi
215/65HR15Rim 15x7 ET46 5x11535 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 1991
1
Generation
H-body I
Other years
All years (1965–2005)

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