The 1992 Pontiac Grand Prix tire size depends on trim: the GT, 3.1 T, 3T40/MD9 takes P225/60R16; the GT, 3.1 T, 4T60/ME9 takes P225/60R16; the GT, 3.4 X, Automatic takes P225/60R16; the GT, 3.4 X, Standard takes P225/60R16; the GTP, Automatic takes P225/60R16; the GTP, Standard takes P225/60R16; the LE, 3.1 T, 3T40/MD9 takes P205/70R15; the LE, 3.1 T, 4T60/ME9 takes P205/70R15; the LE, 3.4 X takes P205/70R15; the SE, 2D Coupe, 3.1 T, 3T40/MD9 takes P205/70R15; the SE, 2D Coupe, 3.4 X, Automatic takes P205/70R15; the SE, 2D Coupe, 3.1 T, 4T60/ME9 takes P205/70R15; the SE, 2D Coupe, 3.4 X, Standard takes P205/70R15; the SE, 4D Sedan, 3.1 T, 3T40/MD9 takes P205/70R15; the SE, 4D Sedan, 3.4 X, Standard takes P205/70R15; the SE, 4D Sedan, 3.1 T, 4T60/ME9 takes P205/70R15; the STE, 3.1 T takes P225/60R16; the STE, 3.4 X, Automatic takes P225/60R16; the SE, 4D Sedan, 3.4 X, Automatic takes P205/70R15; the STE, 3.4 X, Standard takes P225/60R16, per the factory service manual.
Where to Buy & Install Tires for Your 1992 Pontiac Grand Prix
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