GMC Sierra 4WD (Flex Fuel) — All Model Years
Browse every GMC Sierra 4WD (Flex Fuel) model year with specs, fuel economy, and safety ratings.
1 model year available
Year
Type
Economy
Safety
Recalls
Body
2026
Flex Fuel
17MPG
—
—
TruckBrowse every GMC Sierra 4WD (Flex Fuel) model year with specs, fuel economy, and safety ratings.
1 model year available