Common ratings for passenger cars are T, H, and V, and faster tires earn ratings of W, Y, or Z (there is no "X" tire speed rating). You might find speed ratings of L through R on some temporary ...

Common ratings for passenger cars are T, H, and V, and faster tires earn ratings of W, Y, or Z (there is no "X" tire speed rating). You might find speed ratings of L through R on some temporary ...

Where to Buy Speed-Rated Tires . Make sure to verify the correct tire size for your vehicle. General Tire AltiMax RT43. $172 at Tire Rack. Michelin Pilot Sport 4S. $268 at Tire Rack.

The S rating you mention is 180 km/h, T 190 km/h and H 210 km/h. So on the surface, there is no need to buy a tire with a higher rating. But it is not that simple.

That letter defines the speed rating of any given tire. Below is the breakdown of the most common ratings currently offered on most mass-produced tires. T: 118 mph: 190 km/h: U: 124 mph: ...

That letter defines the speed rating of any given tire. Below is the breakdown of the most common ratings currently offered on most mass-produced tires. T: 118 mph: 190 km/h: U: 124 mph: ...

Speed ratings indicate the highest speed a tire maker considers safe for that tire to travel and is designated by letters such as Q, S, T, H, V, and Z along with the tire size information on the ...

Toyo says its tires may be repaired and returned to service, but any tire rated W (more than 168 m.p.h.), V, Z or VR (a V-rated radial) should be considered to have an H rating.

For S-speed-rated tires, it's 112 mph; for T, 118 mph. Speed ratings for other tires include Q, 99 mph; H, 130 mph; and V , 149 mph. Some tires have speed ratings of W, 168 mph and Y, 186 mph.

NEW YORK—Tires with high speed ratings are growing in popularity among U.S. consumers, according to the latest retail panel findings from market research firm GfK. The sales gains for ...