From the unmistakable shrill howl of the four-rotor 1991 Mazda RX-7-001 GTO to the thundering Chevrolet V-8 growl of a 1985 ...

IMSA President John Doonan has teased further growth for IMSA’s GTP class in the coming years during today’s pre-Rolex 24 press conference. Doonan spoke directly about the potential for additional ...

whose company is preparing to build new cars to race in IMSA's top GTP class, lined up to give the series led by chairman Jim ...

GTP and GT classes will see an additional variable added into the equation meant to even out the performance playing field.

Can you tell the differences between the two prototypes in the Rolex 24? How about GTD and GTD Pro? This might help. Or might ...

IMSA President John Doonan said this weekend at Daytona International Speedway that 89 cars applied for entry into this ...

Multiple GTP manufacturers have voiced concerns over the number of high-voltage related issues that have occurred in the ...

Porsche Penske Motorsport begins its begins its GTP title defense this weekend at the Roar Before the 24, a year on from its ...

IMSA arranged for 27 high school students who excel in STEM programs to come to the speedway to educate the teens on how many ...

The Rolex 24 this year reminded me of what pure non-gimmick racing can produce. It was a reminder of why we love auto racing ...

It’s often said the more things change, the more they stay the same. That adage could be used to describe the Grand Touring ...

IMSA Classic Saturday morning at the 63rd Rolex 24 At Daytona truly offered race fans and competitors alike a period-correct ...