A dry third and final practice session saw the #1 Audi e-tron quattro continue to top the time sheets at the Circuit of the Americas.
The trio of Andre Lotterer, Benoit Treluyer and Marcel Fassler took the top spot in FP3 with a time of 1:48.650, just 0.09 seconds ahead of team-mates Tom Kristensen, Loic Duval and Allan McNish. Toyota‘s Anthony Davidson, Sebastien Buemi and Stephane Sarrazin took third in practice, closing in on the Audis, while the lone privateer entry of Rebellion Racing closed out the LMP1 standings.
LMP2 was a much closer affair, with the #26 G-Drive Racing Oreca 03 topping the time sheets with a 1:55.042, only 0.07 seconds ahead of the #35 OAK Racing Morgan-Nissan, with the #49 Pecom Racing Oreca 03 Nissan rounding out the top three.
Aston Martin Racing continued to dominate GTE Pro, although the rest of the field were starting to chip away at the gap. The #98 V8 Vantage took the top spot with a 2:04.272, just beating out team-mates and championship leaders in the #97 sister car. Porsche AG Team Manthey took third in class, only one tenth behind the #97 Aston Martin.
The #81 8Star Motorsport Ferrari 458 Italia shook up the order in GTE Am, setting a time of 2:05.564, half a second ahead of the #88 Proton Competition Porsche 911 GT3 RSR. Taking third, a further one tenth back, was the #61 AF Corse Ferrari.
