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 ...

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

Porsche is currently mulling over its driver options for the third 963 Hypercar that Porsche Penske Motorsport will field at ...

Felipe Nasr and Matt Campbell put on a masterclass in racing as tensions begin to rise with under 30 minutes remaining at ...

The Cadillac had been leading before a restart, but had dropped to fifth before a sudden failure led to a major crash.

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

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

As Porsche secures back-to-back Rolex 24 wins, IMSA teases a GTP expansion with McLaren and Ford on the horizon.

The GTP prototypes are the fastest on track, turning laps about 10 seconds quicker than the GTD cars. See their times and ...

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

Asked to explain why IMSA is rising in recent years, some of its most significant entrants, starting with McLaren Racing CEO ...

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