The X5 35d gets 26 miles per gallon on the highway, not bad for a mid-sized vehicle capable of carrying seven passengers. The Kelley Blue Book named the 2010 version the alternative fuel vehicle with the best resale value. The X5 35d is $51,800, and the gasoline model costs $46,300.
Top 10 Diesel Vehicles
If you’re considering making the switch the diesel, here are 10 of the best diesel autos that have demonstrated impressive fuel efficiency improvements along with a quiet performance.