#99 Valero-liveried Aston came out on top with an average lap time of 2:04.628 thanks to Bruno Senna and Fred Makowiecki.
It was a dry Free Practice 3 for the WEC teams at the Circuit of The Americas in Austin, Texas. Audi driver Lotterer set the fastest time in the final practice prior to qualifying.
World Endurance Championship is making their debut at the Circuit of The Americas. The drivers took to the circuit for two testing sessions.
Krohn Racing has been waiting all season for this week – to race in the United States, in their home state of Texas! Round Five of the 2013 FIA World Endurance Championship is September 20-22 at the Circuit of the Americas (COTA) in Austin, Texas.