TDI Diesel getting a low end of 30 MPG and a 555 mile city range, to a maximum 40 MPG and a 740 mile range highway. This German engineered, American built phenom is actually capable of much, much more. No need to take my word for it either, just ask the Guinness Book of World Record holders Wayne Gerdes and Tom WInger who was able to obtain 77.9 miles per gallon over 8122 miles! Article can be read here. http://www.roadandtrack.com/new-cars/news/a4817/2013-volkswagen-passat-tdi-fuel-economy-record/
If you are in need of a workhorse for long distance travel in luxury style, you've come to the right place.