F1 vs IMSA: Which event is better to watch live? If you had to go to one race this year, should it be IMSA or F1?

Just as the early kit cars used the plentiful and inexpensive Volkswagen as a base, the, Hooker IMSA Vega Kit uses the ubiquitous early Vega as the starting point for a transformed vega that will ...

This IMSA-inspired Cosworth Vega with an LS swap and the perfect mix of street and race car parts is exactly what a pro-touring car should be.

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.

Acura’s IMSA GTP hybrid prototype, the ARX-06, is powered by a 2.4-liter, twin-turbocharged, direct-injected V6 gasoline engine paired with an IMSA-specified Bosch electric motor and Williams ...

News Racing IMSA Jenson Button Says Acura IMSA GTP Is ‘More Complicated’ Than an F1 Car. But Why? F1 may still be the pinnacle of racing and engineering, but IMSA GTP cars aren't far behind.

As IMSA SportsCar Weekend activities were getting underway Thursday at Road America, IMSA president John Doonan drove a golf cart around the 640-acre property. Immediately, he felt it. Something ...

The two biggest weekends at Road America result from differing approaches to technology and sport, but IndyCar and IMSA both win in Elkhart Lake.

Business is booming for the Imsa WeatherTech Sports Car Championship as it kicks off the 2023 international racing season with the famed Rolex 24 at Daytona. Imsa is the International Motor Sports ...

The second day of this week's four-day IMSA-sanctioned test has come and gone. And it was a sight to see with many new cars that will be hitting the track in 2024 getting their first chance to log ...

IMSA Will Phase LMP3 Out of Top-Level Competition The class is moving to support races only, which should clean up racing in IMSA's marquee events.

The return of GTP racing to IMSA gets a big thumbs-up from fans Hybrid prototypes from Acura, BMW, Cadillac, and Porsche wowed the crowds.