SPEED RATING
REFERENCE TABLE
*ZR Speed Rating Defined
For tires having a maximum speed capability above 240 km/h (149 mph), a "Z" may appear in the tire size designation. For tires having a
maximum speed capability above 300 km/h (186 mph), a "Z" must appear in the size designation, and the service description must include a
"Y" in parentheses. Consult the tire manufacturer for the tire's maximum speed capability when there is no service description.
Note: Exceeding the lawful speed limit is neither recommended nor endorsed.
EXAMPLE: Tire Designation Maximum Speed
P275/40ZR17 Above 240 km/h (149 mph)
P275/40R17 93Y 300 km/h (186 mph)
P275/40ZR17 93Y 300 km/h (186 mph)
P275/40R17 (93Y) Above 300 km/h (186 mph)
Consult the tire manufacturer
S P E E D S Y M B O L
S P E E D C A T E G O R Y
š M A X S P E E D Ÿ
O P E N E N D E D
S P E E D C A T E G O R Y
Q 100 mph
R 106 mph
S 112 mph
T 118 mph
U 124 mph
H 130 mph
V 149 mph
W 168 mph ZR*
Y 186 mph
(Y) Above 186 mph
17
