The following cars represent the most technically advanced available.
The 2014 BMW 328d xDrive Sports Wagon combines 40+ mpg diesel efficiency, the flexibility of a wagon, and the thrills of a driver's car.
The 2014 Volkswagen Jetta TDI offers basic transportation at a bargain and an excellent engine, but techies will want to hold off for the improved 2015 model.
Despite some very minor quibbles, the 2014 BMW 535d xDrive delivers exceptional quality and feature content on all fronts, from online cabin tech to fuel economy to driving satisfaction.
With solid cabin tech, the 2014 Chevrolet Cruze Diesel competes well with compact sedans and gets stellar fuel economy, but high initial cost and the price of diesel eat into the savings.
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.
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.
Mercedes has been making a diesel version of the SLK for some time now, so I set about finding out whether a diesel sports car can actually be entertaining.
Can a sports car with a diesel engine still be called a sports car? We nabbed the keys to Mercedes' diesel SLK and found out.
A swell in diesel cars offered in the U.S. means more high-mileage options for buyers. Here are four diesel-engined cars recently reviewed by CNET.
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.