One of the most crucial, but often overlooked details is the tyre speed rating, a small code that indicates ... Subscribe to the UK's favourite car magazine: get Auto Express delivered every ...

The "95W" seen on these Bridgestone Potenza RE-71RS tires describes two very important performance ratings: how much weight each axle can carry and the speed ... for all things automotive, no ...

The letter is your speed rating, but what we're interested ... to a given weight on the load index chart. The higher the number, the more weight a tire can carry. When multiplied by four, your ...

You’ll also find the recommended tire size, as well as the speed and load ratings for your vehicle, on a placard in the driver’s doorjamb, in the glove compartment, or on the fuel-filler door.

Last fall, we joined Continental Tires at the Nardo proving ground in Italy, where eighteen tuner cars were invited to show off their top speeds on the 7.8-mile circular track. With our archaic ...