Home › Pontiac › 1991 Pontiac Grand Prix 1991 Pontiac Grand Prix Tire Size & Pressure The 1991 Pontiac Grand Prix tire size depends on trim: the GT, 3.4 X, Automatic takes P215/60R15; the GT, 3.1 T takes P215/60R15; the GT, 3.4 X, Standard takes P215/60R15; the LE, 2.3 D, 125C/MD9 takes P205/70R15; the LE, 2.3 D, 3T40/MD9 takes P205/70R15; the LE, 3.1 T takes P205/70R15; the SE, 2D Coupe, 2.3 D, 125C/MD9 takes P205/70R15; the SE, 2D Coupe, 2.3 D, 3T40/MD9 takes P205/70R15; the SE, 2D Coupe, 3.1 T takes P205/70R15; the SE, 2D Coupe, 3.4 X, Automatic takes P205/70R15; the SE, 2D Coupe, 3.4 X, Standard takes P205/70R15; the SE, 4D Sedan, 2.3 D, 125C/MD9 takes P205/70R15; the SE, 4D Sedan, 2.3 D, 3T40/MD9 takes P205/70R15; the SE, 4D Sedan, 3.1 T takes P205/70R15; the SE, 4D Sedan, 3.4 X takes P205/70R15; the STE, 3.1 T takes P215/60R16; the STE, 3.4 X, Automatic takes P215/60R16; the STE, 3.4 X, Standard takes P215/60R16, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
GT, 3.4 X, Automatic: P215/60R15GT, 3.1 T: P215/60R15GT, 3.4 X, Standard: P215/60R15LE, 2.3 D, 125C/MD9: P205/70R15LE, 2.3 D, 3T40/MD9: P205/70R15LE, 3.1 T: P205/70R15SE, 2D Coupe, 2.3 D, 125C/MD9: P205/70R15SE, 2D Coupe, 2.3 D, 3T40/MD9: P205/70R15SE, 2D Coupe, 3.1 T: P205/70R15SE, 2D Coupe, 3.4 X, Automatic: P205/70R15SE, 2D Coupe, 3.4 X, Standard: P205/70R15SE, 4D Sedan, 2.3 D, 125C/MD9: P205/70R15SE, 4D Sedan, 2.3 D, 3T40/MD9: P205/70R15SE, 4D Sedan, 3.1 T: P205/70R15SE, 4D Sedan, 3.4 X: P205/70R15STE, 3.1 T: P215/60R16STE, 3.4 X, Automatic: P215/60R16STE, 3.4 X, Standard: P215/60R16GT, 3.4 X, Automatic Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R15 Door Placard — — All P225/60R16 Door Placard — —
GT, 3.1 T Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R15 Door Placard — — All P225/60R16 Door Placard — —
GT, 3.4 X, Standard Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R15 Door Placard — — All P225/60R16 Door Placard — —
LE, 2.3 D, 125C/MD9 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
LE, 2.3 D, 3T40/MD9 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
LE, 3.1 T Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 2D Coupe, 2.3 D, 125C/MD9 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 2D Coupe, 2.3 D, 3T40/MD9 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 2D Coupe, 3.1 T Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 2D Coupe, 3.4 X, Automatic Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 2D Coupe, 3.4 X, Standard Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 4D Sedan, 2.3 D, 125C/MD9 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 4D Sedan, 2.3 D, 3T40/MD9 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 4D Sedan, 3.1 T Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
SE, 4D Sedan, 3.4 X Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P205/70R15 Door Placard — —
STE, 3.1 T Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
STE, 3.4 X, Automatic Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
STE, 3.4 X, Standard Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
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Frequently Asked Questions What size tires does a 1991 Pontiac Grand Prix take? It depends on the trim: GT, 3.4 X, Automatic uses P215/60R15; GT, 3.1 T uses P215/60R15; GT, 3.4 X, Standard uses P215/60R15; LE, 2.3 D, 125C/MD9 uses P205/70R15; LE, 2.3 D, 3T40/MD9 uses P205/70R15; LE, 3.1 T uses P205/70R15; SE, 2D Coupe, 2.3 D, 125C/MD9 uses P205/70R15; SE, 2D Coupe, 2.3 D, 3T40/MD9 uses P205/70R15; SE, 2D Coupe, 3.1 T uses P205/70R15; SE, 2D Coupe, 3.4 X, Automatic uses P205/70R15; SE, 2D Coupe, 3.4 X, Standard uses P205/70R15; SE, 4D Sedan, 2.3 D, 125C/MD9 uses P205/70R15; SE, 4D Sedan, 2.3 D, 3T40/MD9 uses P205/70R15; SE, 4D Sedan, 3.1 T uses P205/70R15; SE, 4D Sedan, 3.4 X uses P205/70R15; STE, 3.1 T uses P215/60R16; STE, 3.4 X, Automatic uses P215/60R16; STE, 3.4 X, Standard uses P215/60R16.
What is the tire pressure for a 1991 Pontiac Grand Prix? Refer to the tire pressure placard on your vehicle's driver side door jamb for exact cold inflation pressures.
What is the bolt pattern on a 1991 Pontiac Grand Prix? Bolt pattern data is available in the factory service manual.
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