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Confirm Tire Size
Shopping for tires? Select tire size to proceed.
2008 Cadillac STS Base
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: 17"
P235/50R17
Original Equipment Wheel Diameter: 18"
255/45ZR18
Original Equipment Wheel Diameter:
Front 18" / Rear 18"
Front Tires
P235/50ZR18
Rear Tires
P255/45ZR18
Where can I find my tire size?Where can I find my tire size?