Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered.

Seeing them drive head-to-head for the first time at the Barcelona-Catalunya circuit in Montmeló makes it evident that ...

German carmaker BMW M announced it will have two cars from the M5 range on the circuit of MotoGP races this season, both ...

The four-hour race is truly a family affair from the Sloss couple, who will race the No. 15 van der Steur Racing Aston Martin Vantage AMR GT4 Evo as a Bronze Cup entry in the touring class ... and ...

Starting at this weekend's Rolex 24, more classes — and cars — will use special sensors to help IMSA maintain an even playing field. Here's how they work.

Six-time IndyCar champion Scott Dixon and MSR IndyCar driver Felix Rosenqvist are the endurance drivers in the No. 60, while ...

The four-hour race is truly a family affair from the Sloss couple, who will race the No. 15 van der Steur Racing Aston Martin Vantage AMR GT4 Evo as a Bronze Cup entry in the touring class ...

Also, IMSA's Mazda MX-5 Cup series ran the second of its two weekend ... Both of those cars compete in the Michelin circuit's Grand Sport (GS) class. In the series' other class, Touring Car (TCR), ...

The No. 24 M Team RLL BMW of the Grand Touring Prototype (GTP) class won the pole position ... Thursday was the first time any laps by IMSA WeatherTech SportsCar Championship machines counted.

Sophisticated advancements in measuring power output have quieted some of the outcry. IMSA has been using torque sensors in the Grand Touring Prototype premier category since 2023 and introduced the ...