The 2014 6 Hours of Circuit of the Americas was an endurance sports car racing event held at the Circuit of the Americas, Austin, US, on 18–20 September 2014, and served as the fourth race of the 2014 FIA World Endurance Championship season. Audi's Marcel Fässler, André Lotterer and Benoît Tréluyer won the race driving the No.2 Audi R18 e-tron quattro car.
Pole position winners in each class are marked in bold.
Class winners in bold.