SPEED
SYMBOL
SPEED
CATEGORY
(MAX SPEED)
OPEN-ENDED
SPEED
CATEGORY
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
Example: TIRE
DESIGNATION
P275/40R17 93W
P275/40ZR17
P275/40ZR17 93W
P275/40ZR17 93Y
P275/40ZR17 (93Y)
MAXIMUM
SPEED
168 mph
Above 149 mph; consult
the tire manufacturer
168 mph
186 mph
Above 186 mph; consult
the tire manufacturer
SPEED RATINGS
Speed Ratings
* For tires having a maximum speed capability above 149
mph, a "ZR" may appear in the tire size designation. For
tires having a maximum speed capability above 186 mph,
a "ZR" must appear in the size designation. Consult the
tire manufacturer for the tire's maximum speed capability
when there is no Service Description or when the Service
Description is stated in parentheses.
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