Skip to main contentSkip to footer
BigO Tire
BigO Tire
Back

Confirm Tire Size for Your 1991 GMC C3500 Sierra SLE

Shopping for tires? Select tire size to proceed.
Your vehicle manufacturer’s recommended tire specs include different front and rear tire sizes (i.e. staggered fitment). Learn about Staggered Fitment
Original Equipment Wheel Diameter: 16"
7.50-16LT/D
Original Equipment Wheel Diameter: 16"
LT225/75R16/D
Original Equipment Wheel Diameter:
Front 16" / Rear 16"
Front Tires
LT225/75R16/C
Rear Tires
LT225/75R16/D
Where can I find my tire size?Where can I find my tire size?