1999 GMC K1500 Tire Sizes

Factory original equipment (OE) tire specifications.

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Sierra SL

Tire Size
P245/75R16
Load Index
109
Speed Rating
S

Sierra SL

Tire Size
P265/75R16
Load Index
114
Speed Rating
S

Sierra SL

Tire Size
LT245/75R16/C
Load Index
Speed Rating

Sierra SLE

Tire Size
P245/75R16
Load Index
109
Speed Rating
S

Sierra SLE

Tire Size
P265/75R16
Load Index
114
Speed Rating
S

Sierra SLE

Tire Size
LT245/75R16/C
Load Index
Speed Rating

Sierra SLT

Tire Size
P245/75R16
Load Index
109
Speed Rating
S

Sierra SLT

Tire Size
P265/75R16
Load Index
114
Speed Rating
S

Sierra SLT

Tire Size
LT245/75R16/C
Load Index
Speed Rating