The 2014 Audi A7 TDI includes some of the best connected tech available today in an automobile, and those inclined to put up with a few diesel drivetrain quirks will be rewarded with significantly higher fuel economy than from the gasoline equivalent.
The 2014 Audi Q5 TDI works as a multipurpose vehicle, good for everything from the weekly commute to extended road trips, offering excellent information services through its dashboard electronics.
With diesel fuel economy and its wagon format, the 2013 Volkswagen Jetta Sportwagen TDI offers great utility, and adds a premium-car feel, but cabin electronics only cover the basics.
Audi's smashing A7 wears a diesel -- but does it make any sense?
With its diesel engine, the 2014 Audi Q5 TDI gets about 5 mpg better than the equivalent gasoline version.
CNET's Brian Cooley loves the 2013 VW Jetta Sportwagen TDI, which is a diesel and a wagon, two things that are not very popular in the United States. So why is he right and the rest of us wrong?
For years, many Audi owners have coveted the German automaker's innovative TDi engines. Starting next spring, Audi announced that select models will have the TDi engine available, including the A8, A7, and Q5.
Audi gives its Q5 crossover the TDI treatment, a diesel engine that pushes fuel economy up to the high 30s, about 5 mpg better than its gasoline equivalent.
For the 2014 model year, Audi pours its 3-liter diesel engine into the high-tech A7, giving it average fuel economy around 30 mpg.
Putting a diesel engine in a wagon gives a car excellent practicality, letting it carry a lot of cargo and get high fuel economy. The Jetta Sportwagen TDI takes these attributes and adds a premium cabin feel.