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Four Audi R18 e-tron quattro cars at test day for the Le Mans 24 Hours
On June 9, 2013, Audi will be fielding four Audi R18 e-tron quattro cars on the test day for the Le Mans 24 Hours. In addition to the cars number 1, 2 and 3 running under the nomination for the race, a fourth hybrid sports car designated as car number 4 will be testing for eight hours at La Sarthe. It is to gather valuable findings for the future, as Audi is preparing for a new tire generation together with partner Michelin.