Which letter indicates the maximum speed of a tire?

1 Answers
SanMichael
07/29/25 3:08pm
Tire maximum speed codes: Q, R, S, T, U, H, V, W, Y. The maximum speed of a tire is indicated by a letter code, with different letters representing different speed ratings and corresponding maximum speeds. Q represents 160 km/h, R represents 170 km/h, S represents 180 km/h, T represents 190 km/h, U represents 200 km/h, H represents 210 km/h, V represents 240 km/h, W represents 270 km/h, and Y represents 300 km/h. Generally, P-T (150-190 km/h) tires are suitable for small and compact cars, U-V (200-240 km/h) tires are suitable for mid-to-high-end cars, while W-Z (270 km/h+) are used for large luxury sedans and sports cars.
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