Confirm Tire SizeWhere can I find my tire size?
Shopping for tires? Select tire size to proceed.
2012 INFINITI M37 X
INFINITI 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: 18"
P245/50R18Original Equipment Wheel Diameter: 20"
245/40R20