1980 GMC C3500 Sierra Grande Tire Sizes

Factory original equipment (OE) tire specifications.

(7/16 & 1/2 inch studs)

Front
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

(7/16 & 1/2 inch studs)

Rear
Tire Size
9.50-16.5LT/E
Load Index
Speed Rating

(9/16 inch studs)

Front
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating

(9/16 inch studs)

Rear
Tire Size
9.50-16.5LT/E
Load Index
Speed Rating

(DRW)(7/16 & 1/2 inch studs)

Tire Size
8.75-16.5LT/C
Load Index
Speed Rating

(DRW)(7/16 & 1/2 inch studs)

Tire Size
7.50-16LT/E
Load Index
Speed Rating

(DRW)(9/16 inch studs)

Tire Size
8.75-16.5LT/C
Load Index
Speed Rating

(DRW)(9/16 inch studs)

Tire Size
7.50-16LT/E
Load Index
Speed Rating

Bonus Cab (DRW)(7/16 & 1/2 inch studs)

Tire Size
9.50-16.5LT/E
Load Index
Speed Rating

Bonus Cab (DRW)(9/16 inch studs)

Tire Size
9.50-16.5LT/E
Load Index
Speed Rating