1999 Pontiac Grand Am Tire Sizes

Factory original equipment (OE) tire specifications.

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GT

Tire Size
P215/60R15
Load Index
93
Speed Rating
S

GT w/Performance Pkg.

Tire Size
P225/50R16
Load Index
91
Speed Rating
S

GT w/Performance Pkg.

Tire Size
P225/50R16
Load Index
91
Speed Rating
V

SE

Tire Size
P215/60R15
Load Index
93
Speed Rating
S

SE w/Performance Pkg.

Tire Size
P225/50R16
Load Index
91
Speed Rating
S

SE w/Performance Pkg.

Tire Size
P225/50R16
Load Index
91
Speed Rating
V