The 2018 Mini Cooper tire size depends on trim: the Base, 2D Convertible, Standard Trans takes 175/65R15 84H; the Base, 2D Convertible, Automatic Trans takes 175/65R15 84H; the Base, 2D Hatchback, Standard Trans takes 175/65R15 84H; the Base, 2D Hatchback, Automatic Trans takes 175/65R15 84H; the Base, 4D Hatchback, Automatic Trans takes 175/65R15 84H; the Base, 4D Hatchback, Standard Trans takes 175/65R15 84H; the JCW, 2D Convertible, Automatic Trans takes 205/45R17 88V XL; the JCW, 2D Convertible, Standard Trans takes 205/45R17 88V XL; the S, 4D Hatchback, Automatic Trans takes 195/55R16 87V; the S, 2D Convertible, Standard Trans takes 195/55R16 87V; the JCW, 2D Hatchback, Standard Trans takes 205/45R17 88V XL; the S, 2D Convertible, Automatic Trans takes 195/55R16 87V; the S, 2D Hatchback, Standard Trans takes 195/55R16 87V; the S, 2D Hatchback, Automatic Trans takes 195/55R16 87V; the JCW, 2D Hatchback, Automatic Trans takes 205/45R17 88V XL; the S, 4D Hatchback, Standard Trans takes 195/55R16 87V, per the factory service manual.
Factory-Spec Tire Size
Varies by trim
Base, 2D Convertible, Standard Trans: 175/65R15 84H
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