The 2020 Porsche Cayenne tire size depends on trim: the Base, 4D Utility Wagon takes 255/55R19 111V XL; the Base, 4D Utility Coupe takes 255/55R19 111V XL; the E-Hybrid, 4D Utility Wagon takes 255/55R19 111V XL; the E-Hybrid, 4D Utility Coupe takes 255/55R19 111V XL; the S, 4D Utility Coupe takes 255/55R19 111V XL; the S, 4D Utility Wagon takes 255/55R19 111V XL; the Turbo, 4D Utility Coupe takes 285/40R21 109V XL; the Turbo, 4D Utility Wagon takes 285/40R21 109V XL; the Turbo S E-Hybrid, 4D Utility Wagon takes 285/40R21 109V XL; the Turbo S E-Hybrid, 4D Utility Coupe takes 285/40R21 109V XL, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Base, 4D Utility Wagon: 255/55R19 111V XL
Base, 4D Utility Coupe: 255/55R19 111V XL
E-Hybrid, 4D Utility Wagon: 255/55R19 111V XL
E-Hybrid, 4D Utility Coupe: 255/55R19 111V XL
S, 4D Utility Coupe: 255/55R19 111V XL
S, 4D Utility Wagon: 255/55R19 111V XL
Turbo, 4D Utility Coupe: 285/40R21 109V XL
Turbo, 4D Utility Wagon: 285/40R21 109V XL
Turbo S E-Hybrid, 4D Utility Wagon: 285/40R21 109V XL
Turbo S E-Hybrid, 4D Utility Coupe: 285/40R21 109V XL
Where to Buy & Install Tires for Your 2020 Porsche Cayenne
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