This year's greenest and meanest cars

6. Mercedes-Benz R320 CDI

This car may be classy but it falls behind in environmental friendliness. The R320 CDI has a fuel economy rating of 21 in the city and 28 on the highway. Shown here is the four-door AWD.

More info

(Cars.com)

	6. Mercedes-Benz R320 CDI This car may be classy but it falls behind in environmental friendliness. The R320 CDI has a fuel economy rating of 21 in the city and 28 on the highway. Shown here is the four-door AWD. More info (Cars.com)
	E-mail to a friend \| Close window