It was the first podium of the season for Lotus Praga LMP2 and also the biggest success for the team so far in the FIA World Endurance Championship.
The venue for the 6 Hours of Austin will be the brand new Circuit of the Americas (COTA).
Kevin Weeda, Vitantonio Liuzzi and James Rossiter in car #31 finished the race in eighth position.
James Rossiter: “I am really excited to be back in FIA WEC this weekend with Lotus and to race the new Lotus Praga T128 LMP2 for the first time."
Lotus will race with two cars in the 2013 FIA World Endurance Championship, which includes the legendary 24 Hours of Le Mans.
Lotus successfully completes the 2012 season of the FIA World Endurance Championship.