1992 GMC C1500 Tire Sizes

Factory original equipment (OE) tire specifications.

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Sierra

Tire Size
P225/75R15
Load Index
Speed Rating

Sierra

Tire Size
P235/75R15
Load Index
Speed Rating

Sierra SLE

Tire Size
P225/75R15
Load Index
Speed Rating

Sierra SLE

Tire Size
P235/75R15
Load Index
Speed Rating

Sierra SLE w/Sport Pkg.

Tire Size
P275/60R15
Load Index
Speed Rating

Sierra SLX

Tire Size
P225/75R15
Load Index
Speed Rating

Sierra SLX

Tire Size
P235/75R15
Load Index
Speed Rating

Sierra SLX w/Sport Pkg.

Tire Size
P275/60R15
Load Index
Speed Rating

Sierra w/Sport Pkg.

Tire Size
P275/60R15
Load Index
Speed Rating