1991 GMC G2500 Tire Sizes

Factory original equipment (OE) tire specifications.

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Rally (Diesel)

Tire Size
P235/75R15
Load Index
Speed Rating

Rally (Gas)

Tire Size
P225/75R15
Load Index
Speed Rating

Rally STX (Diesel)

Tire Size
P235/75R15
Load Index
Speed Rating

Rally STX (Gas)

Tire Size
P225/75R15
Load Index
Speed Rating

Vandura (Diesel)

Tire Size
P235/75R15
Load Index
Speed Rating

Vandura (Gas)

Tire Size
P225/75R15
Load Index
Speed Rating