I tested 25, 28, 30, and 32 mm tires. The fastest tire was nearly six seconds per mile faster than the slowest.

Larger wheels and tires have taken the fast lane, from street racing to showroom. Tire wheels sized 16- to 18-inch are common place on new vehicles leaving the factory. Older cars still on the road ...

Q: While I agree that tires are an important safety component, I mildly disagree that they are relatively low-cost (new tires on my 2003 Expedition set me back over $1,100 two years ago). Even selling ...

We've explained dozens of times over the years the difference between P-metric and imperial tire sizes so we won't cover a whole lot of the same ground, but we really haven't published a conversion ...

View post: Porsche Just Built a One-Off 911 GT3 Inspired by the Amazon Rainforest Your tires can’t talk, but they have a lot to say. Not all tires are created equal, and most of the details that make ...

Cyclists everywhere are upgrading to wider tires for more comfort, control, and speed. Our expert tested every popular road tire size to reveal which ones truly deliver.

Question: You’ve spent a lot of ink on tire diameter differences caused by unusual tire wear. How about describing the impact of one low-air-pressure tire on the all-wheel-drive system? I run my tires ...

Think those numbers on tires don’t matter? They can tell you more than you’d expect. Here’s why it's essential for every car owner to know. Have you ever taken a close look at your tires? If so, ...

CHICAGO — Demand for larger rim-diameter tires — those 18 inches and larger — is growing steadily, following the trend at OE, and now account for 20% of all aftermarket tire sales in the U.S., ...

Building a 4x4 can seem like a never-ending cycle of trial and error. Just like hundreds of other DIY hobbies, there isn’t a definitive rulebook on how to be the ...

Larger wheels give cars a more aggressive stance and greater stage presence, which is why automakers install king-size rims on concept cars. They look cool. Related: More Service Coverage Whether you ...