The 11 full-season GTP cars are joined by the 10 full-season entries from GTD PRO, plus one additional entry from Vasser ...

IMSA has confirmed 22 entries for the Detroit Grand Prix sprint race on May 31, with 11 cars apiece in the GTP and GTD Pro ...

Porsche Penske Motorsport enters Detroit so-far undefeated in the GTP class, with the No. 7 Porsche 963 of Nick Tandy and Felipe Nasr out front ahead of teammates Mathieu Jaminet and Matt Campbell, ...