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BigO Tire
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2021 Porsche 911 Carrera 4S
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:
Front 19" / Rear 20"
Front Tires
235/40R19
Rear Tires
295/35R20
Original Equipment Wheel Diameter:
Front 20" / Rear 21"
Front Tires
245/35R20
Rear Tires
295/30R21
Original Equipment Wheel Diameter:
Front 20" / Rear 21"
Front Tires
245/35R20
Rear Tires
305/30R21
Where can I find my tire size?Where can I find my tire size?