2016 FIA World Endurance Championship season

The 2016 FIA World Endurance Championship season was the fifth edition of the FIA World Endurance Championship auto racing series co-organised by the Fédération Internationale de l'Automobile (FIA) and the Automobile Club de l'Ouest (ACO). The series was open to Le Mans Prototypes and grand tourer-style racing cars meeting four ACO categories. The season began at the Silverstone Circuit in April and ended at the Bahrain International Circuit in November, and included the 84th running of the 24 Hours of Le Mans.

The ACO announced a provisional calendar during the 2015 6 Hours of Circuit of the Americas in September 2015. The calendar retains the eight rounds from 2015, but adds the 6 Hours of Mexico City at the Autódromo Hermanos Rodríguez. The World Sportscar Championship previously visited Mexico City in 1991. The Nürburgring round has been moved a month forward to July to close the gap after Le Mans.

A test session was held prior to the start of the season at Circuit Paul Ricard in March, while the mandatory test for the 24 Hours of Le Mans was held in the first week of June.

The FIA unveiled an entry of 32 cars for the 2016 season on 5 February, divided into four categories: Le Mans Prototype 1 (LMP1) and 2 (LMP2), and Le Mans Grand Touring Endurance Professional (LMGTE Pro) and Amateur (LMGTE Am).

The FIA have introduced a number of changes to the LMP1 cars for 2016 to reduce their speed. This is due to the 2015 cars being significantly faster than 2014 with most track records broken in 2015. The pace of development of the hybrid powertrains has resulted in cars racing with more than 1000 hp.

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