Tire Speed Rating Chart For tires with a maximum speed capability higher than 240 km/h (149 mph), a "ZR" may appear in the size designation. Tires with a maximum speed capability higher than 300 km/h (186 mph), require a "ZR" in the size designation. Consult the tire manufacturer fo...
Tire Speed Rating Chart Speed SymbolMaximum SpeedVehicle Type L75mphOff-Road & Light Truck Tires M81mphTemporary Spare Tires N87mph P93mph Q99mphStudless & Studdable Winter Tires R106mphH.D. Light Truck Tires S112mphFamily Sedans & Vans ...
The subjective rating of the tests are shown in chart Figure 6. Figure 6. Subjective Judgement. The different configurations gives the following behaviours: The inverted wing gives low frequency sway, believe to be excited from the rear end of the test object. The inverted wing with fin ...