Confirm Tire SizeWhere can I find my tire size?
Shopping for tires? Select tire size to proceed.
2009 Audi A5 Quattro Base
Audi 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"
245/40R18Original Equipment Wheel Diameter: 18"
P245/40R18Original Equipment Wheel Diameter: 19"
255/35ZR19