← all 2005 GMC Sierra 15 Hybrid 4WD trims
2005 GMC Sierra 15 Hybrid 4WD — 5.3L 8-cyl, Automatic 4-spd, AWD
This 2005 GMC Sierra 15 Hybrid 4WD (5.3L 8-cyl, Automatic 4-spd, AWD) takes regular (87-octane) gasoline. REGULAR
16
MPG combined (15 city / 18 hwy)
$3,900
est. fuel cost / year (EPA, 15k mi)
—
tailpipe CO₂
EPA fuel type: Regular · class: Standard Pickup Trucks 4WD · retrieved 2026-06-14.