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BigO Tire
BigO Tire
Confirm Tire Size
Shopping for tires? Select tire size to proceed.
1991 GMC C1500 Sierra SLX
GMC equips your vehicle with more than one possible size during production. Please select the size installed on your vehicle from the choices below.
Original Equipment Wheel Diameter: 15"
P225/75R15
Original Equipment Wheel Diameter: 15"
P235/75R15
Original Equipment Wheel Diameter: 15"
P275/60R15
Where can I find my tire size?Where can I find my tire size?