Sorted by Combined MPG. Click on column headings to resort the table.
Vehicle Name
Energy Impact Score
Greenhouse Gas Emissions (Tailpipe)
2005 GMC Sierra 1500 2WD 4.8 L, 8 cyl, Automatic 4-spd, Regular Gasoline
19.4 barrels per year
523
grams of CO2 per mile
2005 GMC Sierra 1500 2WD 4.3 L, 6 cyl, Automatic 4-spd, Regular Gasoline
20.6 barrels per year
555
grams of CO2 per mile
2005 GMC Sierra 1500 2WD 4.3 L, 6 cyl, Manual 5-spd, Regular Gasoline
20.6 barrels per year
555
grams of CO2 per mile
2005 GMC Sierra 1500 2WD 4.8 L, 8 cyl, Manual 5-spd, Regular Gasoline
20.6 barrels per year
555
grams of CO2 per mile
2005 GMC Sierra 1500 2WD 5.3 L, 8 cyl, Automatic 4-spd, Regular Gasoline
20.6 barrels per year
555
grams of CO2 per mile
2005 GMC Sierra 1500 2WD 5.3 L, 8 cyl, Automatic 4-spd, Regular Gasoline or E85
Gas
20.6 barrels per year
555 grams of CO2 per mile
E85
6.2 barrels per year
525 grams of CO2 per mile
2005 GMC Sierra 1500 2WD 6.0 L, 8 cyl, Automatic 4-spd, Premium Gasoline
22.0 barrels per year
592
grams of CO2 per mile