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The Audi R18 ultra is a Le Mans Prototype racing car and it is the successor to the R15 TDI.
The R18 is powered by a TDI turbocharged diesel engine, the 3.7l V6 unit is mated with a S-tronic 6-speed sequential manual transmission and is the lightest Le Mans Prototype ever built by Audi at 900Kg.
This is the first Le Mans Prototype car to race with LED headlights and is a single-piece construction to improve rigidity. The gearbox is now electrically controled instead of pneumatically controlled which also helped to reduce the weight.
The R18 ultra is almost the same car as the R18 e-tron quattro, the only thing that distinguishes them is the hybrid powertrain from the e-tron.
In 2012 three R18 ultra entered the 2012 12 Hours of Sebring.
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Audi
Audi’s history starts when founder August Horch opened a car company named A. Horch & Cie. in 1899. Then in 1901 his factory completed the assembly of the first Horch automobile. August Horch, however, ended up being expelled from his own company in 1909. He subsequently went on to start another car company in Zwickau, Germany, where he kept producing cars under the ‘Horch’ brandname, even though his f... more