GMC

GMC Sierra - Specs

Specifications, engines, dimensions and technical data.

Gen 5 2018 - 2022 Pick Up

Engine —

Power —

Fuel —

Gears —

Platform —

Body Style

Chassis

Engines

Engine & Performance

AT4X 6.2 V8 4WD Automatic

6.2-ECOTEC3-N-E6

Power 420 HP

Fuel Petrol

Engine Code L87

Drivetrain & Chassis

Chassis Pick Up

Gears 10

Gearbox code 10L80

Quick Specs

Engine AT4X 6.2 V8 4WD Automatic

Power 420 HP

Fuel type Petrol

Engine Code L87

Gears 10

Gearbox Code 10L80

Platform GMTT1XX

Fuel

Combined

Engine Lineup

Trans	Engine	Gears	HP	Fuel	CO₂
AT	2.7 Turbo Automatic	8	310 HP	Petrol	—
AT	2.7 Turbo Automatic	8	310 HP	Petrol	—
AT	3.0 Duramax TD Automatic	10	305 HP	Diesel	—
AT	AT4 3.0 Duramax TD 4WD Automatic	10	277 HP	Diesel	—
AT	AT4 5.3 V8 4WD Automatic	6	355 HP	Petrol	—
AT	AT4X 6.2 V8 4WD Automatic	10	420 HP	Petrol	—

Note: Performance figures may vary based on market and conditions.

Dimensions

Length: —
Width: —
Height: —
Wheelbase: —
Front track: —
Rear track: —
Boot capacity: —
Kerb weight: —

Advanced Specs

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Performance

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.