Audi Q5 TDI
(North American Debut)

The Q5 TDI is Audi's newest crossover and achieved a high mpg of 38.5 out of their 3.0L turbodiesel V-6.

Check out Truck Trend's coverage of the recent the Audi Mileage Marathon, a 13-day, four-leg adventure taking journalists from New York to Los Angeles, where we trekked across the nation in a race to beat each other with the best numbers.