Round-11-Circuit of the Americas, Texas, USA
17-19 September 2015, Austin, Texas USA
23, Porsche, 911 GT America, GTD, Ian James, Mario Farnbacher, 73, Porsche, 911 GT America, GTD, Patrick Lindsey, Spencer Pumpelly, 22, Porsche, 911 GT America, GTD, Cooper MacNeil, Leh Keen
?2015, Scott R LePage
LAT Photo USA