FuelFacts

← all 2007 GMC Sierra C15 2WD trims

2007 GMC Sierra C15 2WD — 6.2L 8-cyl, Automatic 6-spd, RWD

This 2007 GMC Sierra C15 2WD (6.2L 8-cyl, Automatic 6-spd, RWD) takes premium gasoline. PREMIUM

15
MPG combined (12 city / 19 hwy)
$5,150
est. fuel cost / year (EPA, 15k mi)
tailpipe CO₂
The EPA lists this trim as premium because that's the fuel the manufacturer specified for its mileage test. Many such engines will run on regular with slightly lower power and MPG — but check your owner's manual to see whether premium is required or just recommended.

Other 2007 GMC Sierra C15 2WD trims

TrimFuelMPGFuel/yr
4.3L 6-cyl, Automatic 4-spd, RWDREGULAR17$3,650
5.3L 8-cyl, Automatic 4-spd, RWDREGULAR17$3,650
4.8L 8-cyl, Automatic 4-spd, RWDREGULAR16$3,900
6.0L 8-cyl, Automatic 4-spd, RWDREGULAR15$4,150
5.3L 8-cyl, Automatic 4-spd, RWDFLEX-FUEL16$3,900

EPA fuel type: Premium · class: Standard Pickup Trucks 2WD · retrieved 2026-06-14.