The opening race of the Pirelli GT4 America season was a precarious affair, as the field got their elbows out from the get-go ...
Siljehaug took his No. 71 Marco Polo Motorsports Toyota GR Supra GT4 EVO2 to a fast lap of 1:42.038 in Q1 to edge out fellow ...
It wasn't pretty, but Zac Anderson and Colin Garrett won the Pirelli GT4 America SprintX season opener in Sonoma.