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 ...

Representing IMSA's vast GT categories is James Sullivan, co-owner of the championship-winning Vasser Sullivan Lexus ...

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

First introduced to the WeatherTech GTP class, GTD Pro and GTD will sport similar hardware at the Rolex 24 making it easier to mandate and adjust performance.

The Chicago-born won the Rolex 24 at Daytona in 1973, 1975, 1977, 1979, and 1991 and is a two-time IMSA GT Championship title holder.

Last weekend, the Ford Mustang GT3 triumphed in one of the most rigorous 24-hour endurance racing events in motorsports, the ...

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

The integration of two-stage Balance of Performance for both the GTP and GT classes ‘opens up possibilities’ for further BoP ...

Felipe Nasr delivered a second consecutive IMSA WeatherTech SportsCar Championship Rolex 24 at Daytona overall victory.

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

Representing IMSA's vast GT categories is James Sullivan, co-owner of the championship-winning Vasser Sullivan Lexus operation he co-owns with 1996 CART IndyCar Series champion Jimmy Vasser.