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 Lola Corvette GTP, the winners of the inaugural Historic Sportscar Racing ...

IMSA “Win the Weekend” presented by Michelin is back for its third season. Episode 1 of season 3 is now available to stream ...

It was an instant classic. In the same way last May’s Indianapolis 500 became an immediate thriller, but longer. Much longer.

On one of the world’s biggest stages Sunday, the Rolex 24 Hours of Daytona sportscar race, Detroit dominated.

It's also the only production-based car in IMSA GTP, the only car with a V-12 in either series, and the only car built by a major manufacturer without a hybrid system in either category.

Motorsport Week has selected five of the key storylines from the 63rd edition of the IMSA SportsCar Championship's 24 Hours ...

McLaughlin will be in the No. 6 Porsche 963 alongside the already confirmed trio of Matt Campbell, Mathieu Jaminet and Kevin ...

The No. 7 Porsche now leads the IMSA Michelin Endurance Cup points in GTP as the series heads to ... the model’s first global victory, besting Corvette Racing by Pratt Miller Motorsports ...

The No. 7 Porsche Penske Motorsport 963 has just pitted from the lead, meaning that the sister No.6 Porsche is scored as the GTP leader with three hours left in the Rolex 24 At Daytona.

GTP battle for the lead heats ... as two iconic brands – Mustang and Corvette – both won. Ford’s newest Mustang scored its first IMSA victory, with Dennis Olsen holding off all comers ...