2015 Audi R18 E-Tron TDI Le Mans race car for sale
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Audi R18 TDI n.2 winner 24 Hours of Le Mans 2011
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Find of the Day: 2011 Audi R18 TDI ultra - Audi Club North America
U.S. debut of the Audi R18 TDI | Audi MediaCenter
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First racing commitment of the Audi R18 TDI | Audi MediaCenter
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2012 Audi R18 Ultra LMP1 SOUND - Test at Monza Circuit - YouTube
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New Audi R18 makes its debut; fundamental redesign of diesel hybrid racer with Li-ion battery storage - Green Car Congress
This ultra rare Audi R18 TDI Ultra is the best car for sale - APEX.one
Le Mans: Audi confirms R18 driver lineup
Racing Cars: Audi R18 TDi group LMP1 (2011)
