Round 4 - Austin, Texas, USA
IMSA WeatherTech SportsCar Championship
Advance Auto Parts SportsCar Showdown
Circuit of The Americas, Austin, TX USA
Friday 5 May 2017
50, Mercedes, Mercedes AMG GT3, GTD, Gunnar Jeannette
World Copyright: Richard Dole
LAT Images
ref: Digital Image RD_COTA_17205