1981 GMC C2500 Suburban Tire Sizes
Factory original equipment (OE) tire specifications.
(GVWR 7100)
Tire Size
8.75-16.5LT/D
Load Index
Speed Rating
(GVWR 7100)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
(GVWR 7500)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
(GVWR 7500)
Tire Size
9.50R16.5LT/D
Load Index
Speed Rating
(GVWR 7500)
Tire Size
7.50R16LT/E
Load Index
Speed Rating
High Sierra (GVWR 7100)
Tire Size
8.75-16.5LT/D
Load Index
Speed Rating
High Sierra (GVWR 7100)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
High Sierra (GVWR 7500)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
High Sierra (GVWR 7500)
Tire Size
9.50R16.5LT/D
Load Index
Speed Rating
High Sierra (GVWR 7500)
Tire Size
7.50R16LT/E
Load Index
Speed Rating
Sierra Classic (GVWR 7100)
Tire Size
8.75-16.5LT/D
Load Index
Speed Rating
Sierra Classic (GVWR 7100)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
Sierra Classic (GVWR 7500)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
Sierra Classic (GVWR 7500)
Tire Size
9.50R16.5LT/D
Load Index
Speed Rating
Sierra Classic (GVWR 7500)
Tire Size
7.50R16LT/E
Load Index
Speed Rating
Sierra Grande (GVWR 7100)
Tire Size
8.75-16.5LT/D
Load Index
Speed Rating
Sierra Grande (GVWR 7100)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
Sierra Grande (GVWR 7500)
Tire Size
9.50-16.5LT/D
Load Index
Speed Rating
Sierra Grande (GVWR 7500)
Tire Size
9.50R16.5LT/D
Load Index
Speed Rating
Sierra Grande (GVWR 7500)
Tire Size
7.50R16LT/E
Load Index
Speed Rating