Home › Pontiac › 1991 Pontiac Firebird 1991 Pontiac Firebird Tire Size & Pressure The 1991 Pontiac Firebird tire size depends on trim: the Base, 2D Convertible, 3.1 T, 700R4/MD8 takes P215/65R15; the Base, 2D Convertible, 3.1 T, 4L60/MD8 takes P215/65R15; the Base, 2D Convertible, 5.0 E, Automatic, 4L60/MD8 takes P215/65R15; the Base, 2D Convertible, 5.0 E, Standard takes P215/65R15; the Base, 2D Convertible, 5.0 E, Automatic, 700R4/MD8 takes P215/65R15; the Base, 2D Coupe, 3.1 T, 4L60/MD8 takes P215/65R15; the Base, 2D Coupe, 3.1 T, 700R4/MD8 takes P215/65R15; the Base, 2D Coupe, 5.0 E, Automatic, 4L60/MD8 takes P215/65R15; the Base, 2D Coupe, 5.0 E, Automatic, 700R4/MD8 takes P215/65R15; the Base, 2D Coupe, 5.0 E, Standard takes P215/65R15; the Formula, 5.0 E, Automatic, 4L60/MD8 takes P245/50ZR16; the Formula, 5.0 E, Automatic, 700R4/MD8 takes P245/50ZR16; the Formula, 5.0 E, Standard takes P245/50ZR16; the Formula, 5.0 F, Automatic, 4L60/MD8 takes P245/50ZR16; the Formula, 5.0 F, Automatic, 700R4/MD8 takes P245/50ZR16; the Formula, 5.0 F, Standard, M39 takes P245/50ZR16; the Formula, 5.0 F, Standard, MK6 takes P245/50ZR16; the Formula, 5.7 8, 4L60/MD8 takes P245/50ZR16; the Formula, 5.7 8, 700R4/MD8 takes P245/50ZR16; the Trans Am GTA, 5.0 F, Automatic, 4L60/MD8 takes P245/50ZR16; the Trans Am GTA, 5.0 F, Automatic, 700R4/MD8 takes P245/50ZR16; the Trans Am GTA, 5.0 F, Standard, MK6 takes P245/50ZR16; the Trans Am GTA, 5.0 F, Standard, M39 takes P245/50ZR16; the Trans Am GTA, 5.7 8, 700R4/MD8 takes P245/50ZR16; the Trans Am GTA, 5.7 8, 4L60/MD8 takes P245/50ZR16; the Trans Am, 2D Convertible, Automatic, 4L60/MD8 takes P215/60R16; the Trans Am, 2D Convertible, Automatic, 700R4/MD8 takes P215/60R16; the Trans Am, 2D Convertible, Standard, M39 takes P215/60R16; the Trans Am, 2D Convertible, Standard, MK6 takes P215/60R16; the Trans Am, 2D Coupe, 5.0 F, Automatic, 4L60/MD8 takes P215/60R16; the Trans Am, 2D Coupe, 5.0 F, Automatic, 700R4/MD8 takes P215/60R16; the Trans Am, 2D Coupe, 5.0 F, Standard, M39 takes P215/60R16; the Trans Am, 2D Coupe, 5.0 F, Standard, MK6 takes P215/60R16; the Trans Am, 2D Coupe, 5.7 8, 4L60/MD8 takes P215/60R16; the Trans Am, 2D Coupe, 5.7 8, 700R4/MD8 takes P215/60R16, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Base, 2D Convertible, 3.1 T, 700R4/MD8: P215/65R15Base, 2D Convertible, 3.1 T, 4L60/MD8: P215/65R15Base, 2D Convertible, 5.0 E, Automatic, 4L60/MD8: P215/65R15Base, 2D Convertible, 5.0 E, Standard: P215/65R15Base, 2D Convertible, 5.0 E, Automatic, 700R4/MD8: P215/65R15Base, 2D Coupe, 3.1 T, 4L60/MD8: P215/65R15Base, 2D Coupe, 3.1 T, 700R4/MD8: P215/65R15Base, 2D Coupe, 5.0 E, Automatic, 4L60/MD8: P215/65R15Base, 2D Coupe, 5.0 E, Automatic, 700R4/MD8: P215/65R15Base, 2D Coupe, 5.0 E, Standard: P215/65R15Formula, 5.0 E, Automatic, 4L60/MD8: P245/50ZR16Formula, 5.0 E, Automatic, 700R4/MD8: P245/50ZR16Formula, 5.0 E, Standard: P245/50ZR16Formula, 5.0 F, Automatic, 4L60/MD8: P245/50ZR16Formula, 5.0 F, Automatic, 700R4/MD8: P245/50ZR16Formula, 5.0 F, Standard, M39: P245/50ZR16Formula, 5.0 F, Standard, MK6: P245/50ZR16Formula, 5.7 8, 4L60/MD8: P245/50ZR16Formula, 5.7 8, 700R4/MD8: P245/50ZR16Trans Am GTA, 5.0 F, Automatic, 4L60/MD8: P245/50ZR16Trans Am GTA, 5.0 F, Automatic, 700R4/MD8: P245/50ZR16Trans Am GTA, 5.0 F, Standard, MK6: P245/50ZR16Trans Am GTA, 5.0 F, Standard, M39: P245/50ZR16Trans Am GTA, 5.7 8, 700R4/MD8: P245/50ZR16Trans Am GTA, 5.7 8, 4L60/MD8: P245/50ZR16Trans Am, 2D Convertible, Automatic, 4L60/MD8: P215/60R16Trans Am, 2D Convertible, Automatic, 700R4/MD8: P215/60R16Trans Am, 2D Convertible, Standard, M39: P215/60R16Trans Am, 2D Convertible, Standard, MK6: P215/60R16Trans Am, 2D Coupe, 5.0 F, Automatic, 4L60/MD8: P215/60R16Trans Am, 2D Coupe, 5.0 F, Automatic, 700R4/MD8: P215/60R16Trans Am, 2D Coupe, 5.0 F, Standard, M39: P215/60R16Trans Am, 2D Coupe, 5.0 F, Standard, MK6: P215/60R16Trans Am, 2D Coupe, 5.7 8, 4L60/MD8: P215/60R16Trans Am, 2D Coupe, 5.7 8, 700R4/MD8: P215/60R16Base, 2D Convertible, 3.1 T, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Convertible, 3.1 T, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Convertible, 5.0 E, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Convertible, 5.0 E, Standard Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Convertible, 5.0 E, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Coupe, 3.1 T, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Coupe, 3.1 T, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Coupe, 5.0 E, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Coupe, 5.0 E, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Base, 2D Coupe, 5.0 E, Standard Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/65R15 Door Placard — —
Formula, 5.0 E, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.0 E, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.0 E, Standard Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.0 F, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.0 F, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.0 F, Standard, M39 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.0 F, Standard, MK6 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.7 8, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Formula, 5.7 8, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am GTA, 5.0 F, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am GTA, 5.0 F, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am GTA, 5.0 F, Standard, MK6 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am GTA, 5.0 F, Standard, M39 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am GTA, 5.7 8, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am GTA, 5.7 8, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P245/50ZR16 Door Placard — —
Trans Am, 2D Convertible, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Convertible, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Convertible, Standard, M39 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Convertible, Standard, MK6 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Coupe, 5.0 F, Automatic, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Coupe, 5.0 F, Automatic, 700R4/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Coupe, 5.0 F, Standard, M39 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Coupe, 5.0 F, Standard, MK6 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Coupe, 5.7 8, 4L60/MD8 Tire Specifications Position Tire Size Pressure Load Index Speed Rating All P215/60R16 Door Placard — —
Trans Am, 2D Coupe, 5.7 8, 700R4/MD8 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 Firebird take? It depends on the trim: Base, 2D Convertible, 3.1 T, 700R4/MD8 uses P215/65R15; Base, 2D Convertible, 3.1 T, 4L60/MD8 uses P215/65R15; Base, 2D Convertible, 5.0 E, Automatic, 4L60/MD8 uses P215/65R15; Base, 2D Convertible, 5.0 E, Standard uses P215/65R15; Base, 2D Convertible, 5.0 E, Automatic, 700R4/MD8 uses P215/65R15; Base, 2D Coupe, 3.1 T, 4L60/MD8 uses P215/65R15; Base, 2D Coupe, 3.1 T, 700R4/MD8 uses P215/65R15; Base, 2D Coupe, 5.0 E, Automatic, 4L60/MD8 uses P215/65R15; Base, 2D Coupe, 5.0 E, Automatic, 700R4/MD8 uses P215/65R15; Base, 2D Coupe, 5.0 E, Standard uses P215/65R15; Formula, 5.0 E, Automatic, 4L60/MD8 uses P245/50ZR16; Formula, 5.0 E, Automatic, 700R4/MD8 uses P245/50ZR16; Formula, 5.0 E, Standard uses P245/50ZR16; Formula, 5.0 F, Automatic, 4L60/MD8 uses P245/50ZR16; Formula, 5.0 F, Automatic, 700R4/MD8 uses P245/50ZR16; Formula, 5.0 F, Standard, M39 uses P245/50ZR16; Formula, 5.0 F, Standard, MK6 uses P245/50ZR16; Formula, 5.7 8, 4L60/MD8 uses P245/50ZR16; Formula, 5.7 8, 700R4/MD8 uses P245/50ZR16; Trans Am GTA, 5.0 F, Automatic, 4L60/MD8 uses P245/50ZR16; Trans Am GTA, 5.0 F, Automatic, 700R4/MD8 uses P245/50ZR16; Trans Am GTA, 5.0 F, Standard, MK6 uses P245/50ZR16; Trans Am GTA, 5.0 F, Standard, M39 uses P245/50ZR16; Trans Am GTA, 5.7 8, 700R4/MD8 uses P245/50ZR16; Trans Am GTA, 5.7 8, 4L60/MD8 uses P245/50ZR16; Trans Am, 2D Convertible, Automatic, 4L60/MD8 uses P215/60R16; Trans Am, 2D Convertible, Automatic, 700R4/MD8 uses P215/60R16; Trans Am, 2D Convertible, Standard, M39 uses P215/60R16; Trans Am, 2D Convertible, Standard, MK6 uses P215/60R16; Trans Am, 2D Coupe, 5.0 F, Automatic, 4L60/MD8 uses P215/60R16; Trans Am, 2D Coupe, 5.0 F, Automatic, 700R4/MD8 uses P215/60R16; Trans Am, 2D Coupe, 5.0 F, Standard, M39 uses P215/60R16; Trans Am, 2D Coupe, 5.0 F, Standard, MK6 uses P215/60R16; Trans Am, 2D Coupe, 5.7 8, 4L60/MD8 uses P215/60R16; Trans Am, 2D Coupe, 5.7 8, 700R4/MD8 uses P215/60R16.
What is the tire pressure for a 1991 Pontiac Firebird? 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 Firebird? Bolt pattern data is available in the factory service manual.
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