Tire Speed Rating Chart Maximum speed reference for every tire rating symbol
| Symbol | Max Speed (mph) | Max Speed (kph) | Typical Use |
|---|---|---|---|
| L | 75 mph | 120 kph | Off-Road & Light Truck Tires |
| M | 81 mph | 130 kph | Temporary Spare Tires |
| N | 87 mph | 140 kph | Winter Tires |
| P | 93 mph | 150 kph | Studded Winter Tires |
| Q | 99 mph | 160 kph | Winter Tires / Light Truck |
| R | 106 mph | 170 kph | Heavy Duty Light Truck Tires |
| S | 112 mph | 180 kph | Family Sedans & Vans |
| T | 118 mph | 190 kph | Family Sedans & Vans |
| U | 124 mph | 200 kph | Sedans & Coupes |
| H | 130 mph | 210 kph | Sport Sedans & Coupes |
| V | 149 mph | 240 kph | Sports Cars & Sedans |
| W | 168 mph | 270 kph | Exotic Sports Cars |
| Y | 186 mph | 300 kph | Exotic Sports Cars |
| Z | 149 mph | 240 kph | Sports Cars (149+ mph) |
Speed Rating Finder
Enter your typical maximum driving speed to find the minimum speed rating you need.
What Do Tire Speed Ratings Mean?
Tire speed ratings indicate the maximum speed a tire can safely maintain over an extended period. The rating is assigned after laboratory testing where the tire is pressed against a large metal drum at progressively higher speeds until it reaches the rated speed.
Key points about speed ratings:
- The speed rating only applies to tires that are undamaged, properly inflated, and not overloaded.
- Speed ratings do not indicate how well a tire handles or corners — only its maximum speed capability.
- Higher speed ratings generally mean better heat dissipation and high-speed stability, but often sacrifice ride comfort and tread life.
- The "Z" rating was originally the highest category (149+ mph). As tire technology improved, W (168 mph) and Y (186 mph) were added for ultra-high performance tires.
How to Choose the Right Speed Rating
Always match or exceed the speed rating specified by your vehicle manufacturer. You can find the recommended rating on the tire information placard on the driver's door jamb or in the owner's manual.
Upgrading: You can always use a higher speed rating than recommended. Moving from H to V or W will generally improve high-speed handling at the cost of slightly shorter tread life.
Downgrading: Using a lower speed rating is not recommended except for winter/snow tires, where a Q or T rating is acceptable due to reduced winter driving speeds.
Mixing ratings: Never mix speed ratings on the same axle. If you must mix ratings across axles, place the lower-rated tires on the front axle (for front-wheel-drive vehicles) to maintain predictable handling.