Sorted by Combined MPG. Click on column headings to resort the table.
Vehicle Name
Energy Impact Score
Greenhouse Gas Emissions (Tailpipe)
2012 BMW ActiveHybrid 5 3.0 L, 6 cyl, Automatic (S8), Premium Gasoline
12.7 barrels per year
342
grams of CO2 per mile
2013 BMW ActiveHybrid 5 3.0 L, 6 cyl, Automatic (S8), Premium Gasoline
12.7 barrels per year
346
grams of CO2 per mile
2013 Porsche Boxster S 3.4 L, 6 cyl, Auto(AM-S7), Premium Gasoline
13.7 barrels per year
370
grams of CO2 per mile
2012 Porsche Boxster Spyder 3.4 L, 6 cyl, Automatic 7-spd, Premium Gasoline
14.3 barrels per year
386
grams of CO2 per mile
2012 Porsche Cayman S 3.4 L, 6 cyl, Automatic 7-spd, Premium Gasoline
14.3 barrels per year
386
grams of CO2 per mile
2012 Lotus Evora 3.5 L, 6 cyl, Automatic (S6), Premium Gasoline
14.3 barrels per year
386
grams of CO2 per mile
2013 Porsche Boxster S 3.4 L, 6 cyl, Manual 6-spd, Premium Gasoline
14.3 barrels per year
395
grams of CO2 per mile
2012 Lotus Evora 3.5 L, 6 cyl, Automatic (S6), Premium Gasoline
15.0 barrels per year
404
grams of CO2 per mile
2013 Audi Q7 3.0 L, 6 cyl, Automatic (S8), Diesel
17.4 barrels per year
464
grams of CO2 per mile
2012 Porsche Boxster Spyder 3.4 L, 6 cyl, Manual 6-spd, Premium Gasoline
15.0 barrels per year
404
grams of CO2 per mile