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

Even back in 1976, it took serious money to build and race a competitive IMSA Camel GT car, and most successful ... where the ...

Once he abandoned a single seater career to pursue GT cars, he got an education on the European approach by competing in Porsches in Germany before coming home to IMSA and signing with BMW to ...

Unusual shows of passion, non-traditional viewing platforms added up to a winning Rolex 24 for the glass offices at IMSA.

While the GT’s output can’t match the 710bhp of the IMSA-GTO it’s inspired by, performance figures aren’t too far off – the racer managed a 3.1sec 0-62mph time and a 193mph top speed.

The IMSA WeatherTech SportsCar Championship features by far the highest level of technology in American motorsport. It’s therefore no surprise that a growing number of America’s leading technology ...

It’s still a Porsche Penske Motorsport 1-2 in the 63rd Rolex 24 At Daytona with eight hours remaining and sunrise just around the corner. The No. 6 Porsche leads the No. 7, WEC champion ...