The 2003 Ford Mustang tire size depends on trim: the Base, 2D Convertible, Automatic takes P225/55R16 94T; the Base, 2D Convertible, Standard takes P225/55R16 94T; the Base, 2D Coupe, Automatic takes P225/55R16 94T; the Base, 2D Coupe, Standard takes P225/55R16 94T; the Cobra, 2D Convertible takes P275/40ZR17 98W; the Cobra, 2D Coupe takes P275/40ZR17 98W; the GT, 2D Convertible, Automatic takes 245/45ZR17; the GT, 2D Convertible, Standard takes 245/45ZR17; the GT, 2D Coupe, Automatic takes 245/45ZR17; the GT, 2D Coupe, Standard takes 245/45ZR17; the Mach 1, Automatic takes 245/45ZR17; the Mach 1, Standard takes 245/45ZR17, per the factory service manual.
Where to Buy & Install Tires for Your 2003 Ford Mustang
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Tire Rack
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