Confirm Tire SizeWhere can I find my tire size?
Shopping for tires? Select tire size to proceed.
2003 Lexus GS430 Base
Lexus 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: 16"
225/55R16Original Equipment Wheel Diameter: 17"
235/45ZR17