Audi led the way at the end of the morning session at the Le Mans test day.
Loic Duval headed the order after the first four hours of running with a time of 3m27.732s in a non-hybrid R18 ultra. That compared with Tom Kristensen's 3m28.084s in the R18 e-tron quattro hybrid. Toyota's TS030 Hybrid lapped six tenths off the pace. Sebastien Buemi ended up third in the times on a 3m28.298s.
Benoit Treluyer and Marco Bonanomi were fourth and fifth fastest in their Audis, while Toyota driver Nicolas Lapierre was sixth.
The fastest privateer in LMP1 was the Strakka Racing HPD ARX-03a, Danny Watts setting a 3m34.243s in the British-run car. The HPD was more than two seconds faster than the next gasoline privateer, the Rebellion Racing Lola-Toyota B12/60 driven by Neel Jani.
Fastest LMP2 was the OAK Racing-run Morgan-Nissan driven by Olivier Pla, while the best of the Luxury Racing Ferraris topped the times in the GTE class with Frederic Makowiecki driving.
The DeltaWing-Nissan completed 31 laps during the morning, all on the same set of Michelin tires. Satoshi Motoyama set the car's fastest time, a 3m47.980s.