2014 Audi A6 TDI

Energy SavingEnvironmental IssuesFuel-efficient VehiclesHybrid Vehicles
The Audi A6 TDI also was nominated for the Green Car of the Year award. It gets 38 highway miles per gallon. The A6 TDI offers start-stop technology, which turns off the car's engine when it comes to a full stop to save energy. Audi