Vasser Sullivan Racing will enter its two Lexus RC F GT3s in the upcoming Chevrolet Detroit Grand Prix, with the No. 15 car to be headlined by reigning Australian Supercars champion Chaz Mostert.

Louis Delètraz and the No. 40 Cadillac Wayne Taylor Racing V-Series.R lead an all-Cadillac front row in GTP alongside Aitken and the No. 31 Cadillac Whelen V-Series.R.

Louis Delètraz and Cadillac Wayne Taylor Racing led the second practice session at WeatherTech Raceway Laguna Seca, as they did yesterday afternoon, while Jack Hawksworth leads GTD Pro.

After three years of dominant IMSA WeatherTech SportsCar Championship GTD titlists, the fight for this year's honors looks as close as it’s ever been in the early stages of the season. And that has Vasser Sullivan Racing’s Aaron Telitz and 13 Autosport's Matt Bell raising their ambitions.

The No. 40 Cadillac Wayne Taylor Racing V-Series.R led a Cadillac top three lockout in opening practice for the StubHub Monterey SportsCar Championship at Laguna Seca.

Acura Meyer Shank Racing’s Nick Yelloly and Renger van der Zande drove the team’s No. 93 Acura ARX-06 to victory, while Benjamin Pedersen and Aaron Telitz win for Lexus in GTD.

After the No. 89 Lexus failed technical inspection, Robert Wickens has got his first IMSA WeatherTech SportsCar Championship pole.

In his first weekend for JDC-Miller MotorSports, Laurin Heinrich put the black and gold No. 5 JDC-Miller MotorSports Porsche 963 at the top of the leaderboard in opening practice for the IMSA Acura Grand Prix of Long Beach.

IMSA has released the entry list for the upcoming Acura Grand Prix of Long Beach on April 17–18, with 11 GTP class entries, and 17 in GTD, for a total of 28 cars.One noteworthy change in GTP is a one-off drive for Porsche works driver Laurin Heinrich in the No....

Thomas Preining, Ricardo Feller, and Klaus Bachler grabbed the GTD Pro win in the No. 911 Manthey Porsche in only the team’s second IMSA enduro effort. The No. 77 AO Racing Porsche finished a close second in the “Roxy” colors.