The prototype classes in the World Endurance Championship and IMSA WeatherTech SportsCar Championship have more differences ...

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

Cadillac wants to take over the global automotive marketplace. To do it, the American brand is racing in sports cars and Formula 1.

There are standard length endurance tests. And then, there are ultra length ones. What Jordan Taylor just completed from ...

IMSA “Win the Weekend” presented by Michelin is back for its third season. Episode 1 of season 3 is now available to stream ...

See, in both IMSA and WEC, Cadillac is the only manufacturer that opted to mate a V8 combustion engine to its hybrid powertrain. Everyone else opted for smaller engines — but it was critical ...

At a time when many racing series' growth is flat, IMSA is adding manufacturer after manufacturer, and fans are lining up to watch the on-track action.

A return to Cadillac by Wayne Taylor Racing has the team ... Lilou Wadoux, who won her first IMSA race last year in an Af Corse-entered LMP2 car at Watkins Glen, seeks to become the most recent ...

IMSA’s three-day sanctioned test at Sebring International Raceway concluded with the No. 6 Porsche Penske Motorsport 963 ...