Colton Herta and Arrow McLaren rival Christian Lundgaard believe the once-new surface is starting to degrade and behave like the former surface which was notorious for causing high wear as tires slid.

Verizon IndyCar Series drivers have one thing on their mind right now: Tires.The interrelated dynamic created by Texas Motor Speedway's recent repaving of its 1.5-mile oval, IndyCar's chosen aerodynamic downforce levels for its teams, and the longevity of Firestone's tires during each stint Saturday night has the paddock wondering what...

Romain Grosjean believes the current generation of Pirelli tires in Formula 1 do not degrade enough, which makes the racing less exciting than it used to be.The F1 tire supplier introduced harder compounds in 2014, after F1 switched from normally aspirated V8 engines to turbocharged V6 hybrids, and beefed up...