After a trial at last year's Indy GP, IndyCar is doubling the number of required stints on alternate tires on street courses this year.

Las Vegas is set to once again set to be the coldest race of the Formula 1 season, with a night race in November featuring temperatures in the low 50s. That provides a unique challenge for all of the teams...

Lewis Hamilton blamed his shock Q2 knockout at the Azerbaijan Grand Prix on poor team strategy stemming back to a tire decision made on Friday.

Oscar Piastri says the new mandatory two-stop regulations at the Monaco Grand Prix have created so many potential scenarios that his head is “still kind of untwisting itself” trying to understand them.

Acura Grand Prix of Long Beach polesitter Kyle Kirkwood had a blunt assessment of the softer tire compound he and the other IndyCar Series drivers are required to use at least once today during the 90-lap contest.“The green tires suck. They are awful. You do not want to race on...

IndyCar Series's season-opener in St. Petersburg? Settled by tire strategy. IndyCar's second race of the year at The Thermal Club: Tire strategy. The upcoming third race at Long Beach? It could be more of the same.Firestone has delivered on the series’ request to widen the performance gap between its harder...

Blancpain GT World Challenge America teams have a tiny 10-minute window in which to execute any strategy, and that 10-minute window is smack dab in the middle of the 90-minutes races – barring any full-course cautions that might interfere. That’s not a lot of space to plan and execute strategy....

Guenther Steiner wants Haas to focus on improving its qualifying performances after failing to score a point in the Malaysia Grand Prix.Haas qualified 16th and 17th with Romain Grosjean and Kevin Magnussen respectively at Sepang, with both cars dropping out in Q1. However the two drivers were more competitive in...

Josef Newgarden had a discomforting thought as his comfortable 10-second lead was erased by a caution with 23 laps to go Sunday at Mid-Ohio: "[I] felt like we were on the wrong tire again, kind of like Road America."A month ago, Newgarden was leading at Elkhart Lake when Takuma Sato's...

Teams competing in the All-Star Race this weekend at Charlotte Motor Speedway have a prime and option tire to use, and the hope is it will provide different strategy plays for the event.The option tire, or softer tire, was designed to provide more grip and is faster than the prime...