Sorted by Combined MPG. Click on column headings to resort the table.
Vehicle Name
Energy Impact Score
Greenhouse Gas Emissions (Tailpipe)
2013 Volkswagen Beetle Convertible 2.0 L, 4 cyl, Auto(AM-S6), Diesel
12.3 barrels per year
324
grams of CO2 per mile
2013 Mercedes-Benz GLK 250 Bluetec 4matic 2.1 L, 4 cyl, Automatic 7-spd, Diesel
13.6 barrels per year
367
grams of CO2 per mile
2013 BMW 320i xDrive 2.0 L, 4 cyl, Manual 6-spd, Premium Gasoline
12.7 barrels per year
345
grams of CO2 per mile
2013 BMW 640i Gran Coupe 3.0 L, 6 cyl, Automatic (S8), Premium Gasoline
13.7 barrels per year
374
grams of CO2 per mile
2012 Porsche New 911 Carrera 3.4 L, 6 cyl, Auto(AM-S7), Premium Gasoline
14.3 barrels per year
386
grams of CO2 per mile
2013 Lotus Evora 3.5 L, 6 cyl, Automatic (S6), Premium Gasoline
14.3 barrels per year
390
grams of CO2 per mile
2013 BMW 740Li 3.0 L, 6 cyl, Automatic (S8), Premium Gasoline
15.0 barrels per year
399
grams of CO2 per mile
2013 Lotus Evora 3.5 L, 6 cyl, Automatic (S6), Premium Gasoline
15.0 barrels per year
402
grams of CO2 per mile
2012 Porsche 911 Carrera 3.6 L, 6 cyl, Automatic 7-spd, Premium Gasoline
15.0 barrels per year
404
grams of CO2 per mile
2012 Porsche New 911 Carrera 3.4 L, 6 cyl, Manual 7-spd, Premium Gasoline
15.0 barrels per year
404
grams of CO2 per mile