Audi has revealed new images and details about the car it will use for the 2014 World Endurance Championship.

The car, which will again run under the R18 e-tron Quattro name, is referred to by the German manufacturer as the 'most complex race car it has ever built', with extensive development work having been carried out in line with new regulations for the season ahead.

"The next Audi R18 e-tron quattro represents a completely new generation of Le Mans prototypes," Head of Audi Motorsport Dr. Wolfgang Ullrich, said. "The principles of the LMP1 regulations have fundamentally changed.

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"The idea behind this is to achieve similarly fast lap times as in the past with considerably less energy. Making more out of less: a forward-thinking approach."

The new car includes a further developed V6 TDI mid-engine powering the rear wheels alongside an e-tron quattro hybrid system at the front axle, optimised flywheel energy storage system and a hybrid system with an electric turbocharger in the internal combustion engine.

With the 2014 LMP1 regulations being designed around cars with a slimmer body, the latest incarnation of the R18 also features slimmer wheels to reduce drag, with the team making use of a front wing as opposed to a diffuser in order to improve aerodynamics - which have been affected by the fact that the new regulations require the car to be 20mm higher than before and include a larger cockpit.

However, some areas of the aerodynamics have now been tightened, with teams no longer able to make use of exhaust gases around the rear diffusor.

The new car will make its race debut in the 6 Hours of Silverstone in April next year.