The No. 78 Lamborghini Huracán GT3 posted a best lap of 1:56.602, just 0.073s clear of the No. 63 GRT Grasser Racing Team Lamborghini.
Behind the two Lamborghini Huracáns it was the No. 75 ISR Audi R8 LMS in third place at 0.222s, with Belgian Audi Club Team WRT making it a Volkswagen Group top four in France.
Eleven cars finished the final session within the same second, out of the 47 cars that took to the track this afternoon, although a number of teams only put in a couple of laps.
The Blancpain GT Series teams will now begin their final preparations for next month’s season-openning rounds at Misano (Sprint) and Monza (Endurance).