We've been helping people find the right tires, wheels and performance parts since 1979. If you're looking for the best and most accurate information on all things tires, you've come to the right place.
A tire's most important job is to carry the load required of it, and the load range/ply rating branded on the tire's sidewall indicates how much load the tire is designed to carry (at a specific pressure). Whenever changing tire sizes or from one tire type to another, it's important to ensure...
A load index is an assigned numerical value that signifies a tire's maximum load carrying capacity. They're useful to help compare load carrying capacity of different-sized tires, and as you might expect, the higher the tire's load index number, the greater its load carrying capacity. Using the...
Tire compounds are made up of a combination of natural and synthetic rubbers, as well as carbon black and other chemicals. This makes their rubber compounds susceptible to damage from direct contact with gasoline, oil and antifreeze, as well as solvents often found in family garages. Extra care...
Have you noticed that during a straight-line panic stop, a driver's pressure on the brake pedal can be so intense it locks up the brakes and causes the vehicle to skid? One stop with the brakes locked will wear a flat-spot in the tread that will render a tire unserviceable. Panic stops...
Four-wheel drive and all-wheel drive vehicles are equipped with differentials and/or viscous couplings that are designed to allow momentary differences in wheel speeds when the vehicle turns a corner or temporarily spins a tire. However, if the differentials or viscous couplings are forced to...
Wintertime travel often increases behind-the-wheel apprehension for drivers living in America's snowbelt. Shorter days and colder temperatures, as well as slush-, snow- and ice-covered roads all conspire to challenge a driver's patience, skills and their tires' traction, adding tension to daily...
Our most recent All-Season tire test reports include Snow Traction/Handling results. See them here. Also see our featured dedicated winter / snow tire tests. Since even the best all-season tire cannot match the performance of a dedicated winter tire in light or deep snow, on ice, or in...
*Fuel Economy, That is. And More. Maintaining correct tire inflation pressure helps optimize tire performance and fuel economy. Correct tire inflation pressure allows drivers to experience tire comfort, durability and performance designed to match the needs of their vehicles. Tire deflection...
Flat tires can happen any time and usually occur when it's least convenient. And while having a flat tire can be upsetting in itself, being stranded waiting for help can be even more distressing. Having a properly inflated spare tire in the trunk allows drivers and/or roadside assistance...
When Buying a Pair of Tires It's best to replace all of a vehicle's tires at the same time. Having the same tread design and tread depth promotes balanced traction and handling. However if only a pair of tires is replaced, the two new tires are to be installed on the rear axle with the...
Racing tires, even those required by competition rules to meet U.S. Department of Transportation (DOT) standards, are designed first-and-foremost to win races. And in order to accomplish that goal, they are manufactured with minimum weight to deliver maximum performance. Lightweight racing...
Tires branded with MOExtended or MOE on their sidewalls identify them as being specifically tuned for Mercedes-Benz vehicles. The Extended portion of the name identifies they feature run-flat-like tire characteristics by offering temporary extended mobility. However, since they don't meet all...
For handling-oriented track & competition fitments, Tire Rack recommends mounting tires on the widest rim width approved by the tire manufacturer (and permitted by competition class rules). However, we also recognize that rules for stock, spec, or other autocross/racing classes often...
European Union (EU) tire labeling regulations for passenger car and light truck tires went into effect November 1, 2012. These regulations help harmonize consumer information on a new tire's wet braking ability and environmental impact related to the tire's contribution to vehicle efficiency...
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