From the futuristic prototypes running in the GTP and LMP2 classes to the near-street-car, GT3 entries in the GTD Pro and GTD classes, the differences between the vehicles competing in this week's ...

Can't tell the two prototype classes apart at Daytona's Rolex 24? Or the two GTD classes? If all else fails, find the color scheme.

Porsche opens the 2026 IMSA season with a dominant overall victory at the Rolex 24 at Daytona as fog, cautions, and late ...

The 2026 endurance racing season is just a month away, with the Daytona 24 Hours marking the first event to feature top-line prototype machinery. Most manufacturers competing across the World ...

Bouncing along a rutted, red clay trail in my Subaru Outback during the Petit Le Mans, I discovered parts of Michelin Raceway Road Atlanta’s infield not seen in 26 years of covering the race. Trying ...

The Cadillac GTP race car competing in the IMSA SportsCar Championship and FIA World Endurance Championship is a true technological powerhouse, packing a wealth of cutting-edge performance goodies to ...

GM engineers don’t seem deflated, and the company’s progress on the track is steaming ahead. Bump starting a car is usually an act of desperation. But in the fastest prototype race cars on earth, ...

Many of the storylines in sports car racing revolve around cars, manufacturers, and the team-oriented aspects of the sport.

IMSA provided flights from Washington, DC, to Atlanta and four nights in a hotel so we could attend Petit Le Mans. Ars does not accept paid editorial content. The crowd streamed onto the track before ...

Keep your eyes out for these key elements and potential story lines in the 64th running of this famed endurance race.

Porsche provided flights from Washington to Daytona and accommodation so we could attend the Rolex 24. Ars does not accept paid editorial content. DAYTONA BEACH, Fla.—Near-summer temperatures greeted ...