Sierra 1500

Model years 2012–2026 · Pickup · Full-size pickup

GasHybridDieselFlex fuel

Combined MPG: 14–26
Seats: 3–6
Drivetrain: RWD · AWD · 4WD

The GMC Sierra 1500 is a full-size pickup truck with seating for 3 to 6, offered as gas, hybrid, diesel and flex-fuel, with up to 26 MPG combined. It comes with rear-wheel, all-wheel or four-wheel drive. Our catalog covers model years 2012–2026.

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Key specs

Body style: Pickup
Segment: Full-size pickup
Model years: 2012–2026
Seats: 3–6
Fuel: Gas, Hybrid, Diesel, Flex fuel
Drivetrain: Rear-wheel drive, All-wheel drive, 4×4
City MPG: 12–24
Highway MPG: 16–30
Combined MPG: 14–26
Electric range: —

Versions by year

Engines, transmissions and EPA fuel economy for each model year.

20 versions

Versions by year · 2026
Version	Engine	Transmission	Drivetrain	Fuel	MPG city / hwy / comb.
Sierra 2WD	2.7L 4-cyl Turbo	Automatic	RWD	Gas	18 / 21 / 20
Sierra 2WD	5.3L 8-cyl	Automatic	RWD	Gas	16 / 20 / 17
Sierra 2WD	3.0L 6-cyl Turbo Diesel	Automatic	RWD	Diesel	23 / 28 / 25
Sierra 2WD with Sport Mode	2.7L 4-cyl Turbo	Automatic	RWD	Gas	17 / 21 / 19
Sierra 2WD with Sport Mode	5.3L 8-cyl	Automatic	RWD	Gas	16 / 21 / 18
Sierra 4WD	2.7L 4-cyl Turbo	Automatic	4WD	Gas	17 / 20 / 18
Sierra 4WD	6.2L 8-cyl	Automatic	4WD	Gas	15 / 19 / 16
Sierra 4WD	5.3L 8-cyl	Automatic	4WD	Gas	15 / 18 / 16
Sierra 4WD AT4X	6.2L 8-cyl	Automatic	4WD	Gas	14 / 16 / 15
Sierra 4WD AT4X with Sport Mode	3.0L 6-cyl Turbo Diesel	Automatic	4WD	Diesel	19 / 20 / 19
Sierra 4WD FFV	5.3L 8-cyl Flex Fuel	Automatic	4WD	Flex fuel	15 / 19 / 17
Sierra 4WD with Sport Mode	2.7L 4-cyl Turbo	Automatic	4WD	Gas	17 / 18 / 17
Sierra 4WD with Sport Mode	5.3L 8-cyl	Automatic	4WD	Gas	15 / 19 / 17
Sierra 4WD with Sport Mode	3.0L 6-cyl Turbo Diesel	Automatic	4WD	Diesel	22 / 26 / 24
Sierra Mud Terrain Tires 4WD	2.7L 4-cyl Turbo	Automatic	4WD	Gas	16 / 17 / 17
Sierra Mud Terrain Tires 4WD	6.2L 8-cyl	Automatic	4WD	Gas	14 / 17 / 15
Sierra Mud Terrain Tires 4WD	5.3L 8-cyl	Automatic	4WD	Gas	14 / 17 / 16
Sierra Mud Terrain Tires 4WD FFV	5.3L 8-cyl Flex Fuel	Automatic	4WD	Flex fuel	15 / 19 / 17
Sierra Mud Terrain Tires 4WD (Sport Mode)	5.3L 8-cyl	Automatic	4WD	Gas	15 / 18 / 16
Sierra Mud Terrain Tires with Sport Mode	3.0L 6-cyl Turbo Diesel	Automatic	4WD	Diesel	21 / 24 / 23