2010 Pontiac G6 Tire Sizes

Factory original equipment (OE) tire specifications.

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Base

Tire Size
P215/55R17
Load Index
93
Speed Rating
S

Base

Tire Size
P225/50R17
Load Index
93
Speed Rating
S

GT

Tire Size
P225/50R17
Load Index
93
Speed Rating
S

GT

Tire Size
P225/50R18
Load Index
94
Speed Rating
T

GT (Summer Only)

Tire Size
P225/50R18
Load Index
94
Speed Rating
W