Audi

7.8

2014 Audi A6 TDI

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Audi and Volkswagen are making three letters very common for this model year – TDI. TDI stands for turbo diesel injection. But this isn’t…

7.2

2014 Audi Q7 TDI

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Audi, and their parent company Volkswagen are leading the way in reviving the use of diesel fuel in the United States. They’re quite proud…