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
28, Porsche, Porsche 911 GT3 R, GTD, Mathieu Jaminet
World Copyright: Richard Dole
LAT Images
ref: Digital Image RD_COTA_17267