Your tires are one of the most important parts of your car, but they still have their limits. Here's everything you should ...

Our example has a rating of 88T; T means the tire is safe at up to 118 mph. On the bottom end of the chart, an R-rated tire is certified for up to 106 mph. On the top end, a tire with a Z rating ...

Winter/snow tires are excluded from UTQG, but all-weather, all-terrain, and all-season tires have UTQG ratings. How the UTQG Works. Treadwear, for example, ...

Uniform Treadwear Quality Grades are what separate a tire from being legal for series such as the 24 Hours of LeMons (190-treadwear minimum) or not. Lower UTQG ratings generally wear faster, but ...

It's probably a safe bet that-even for a tire retailer-the letters UTQG don't exactly roll off the tongue. Sure, most tire professionals are probably aware that UTQG is alphabet-soup shorthand for the ...

Likewise, a tire with a 700 UTQG grade and an 80,000-mile warranty had excellent tread wear in the tests. Most Read Life Stories Here are the things you do on a plane that you’ll regret ...

WASHINGTON (July 4, 2000)—The federal government is changing the way it calculates treadwear grades under the Uniform Tire Quality Grading System. In a final rule, effective July 24, the National ...