1989 Pontiac Grand Prix Tire Sizes
Factory original equipment (OE) tire specifications.
Base
Tire Size
P195/75R14
Load Index
Speed Rating
Base
Tire Size
P195/70R15
Load Index
Speed Rating
LE
Tire Size
P195/75R14
Load Index
Speed Rating
LE
Tire Size
P195/70R15
Load Index
Speed Rating
LE Coupe w/Rally Suspension
Tire Size
P195/70R15
Load Index
Speed Rating
SE
Tire Size
P215/60R16
Load Index
Speed Rating
Turbocharger
Tire Size
P245/50ZR16
Load Index
Speed Rating