2021 GMC Sierra 1500 Engine

5.3 liters V-8 355 hp
Engines: 2.7 liters I-4 310 hp
Engine 2: 3.0 liters I-6 277 hp
Engine 3: 4.3 liters V-6 285 hp
Engine 4

Engine labels on configurations5.3 liters V-8 · 2.7 liters I-4 · 3.0 liters I-6 · 4.3 liters V-6
Lowest stored HP277 hp · AT4 4x4 Crew Cab 6.6 ft. box 157 in. WB
Highest stored HP355 hp — 7 configurations tie for highest
Lowest stored torque305 lb-ft — 7 configurations tie for lowest
Highest stored torque460 lb-ft · AT4 4x4 Crew Cab 6.6 ft. box 157 in. WB

Catalog dataManufacturer figures stored on configuration rows

Engine / configuration

5.3 liters V-8: 355 hp · 383 lb-ft

Catalog engines

Engine	HP	Torque	Configs matched
5.3 liters V-8	355 hp	383 lb-ft	7
2.7 liters I-4	310 hp	348 lb-ft	10
3.0 liters I-6	277 hp	460 lb-ft	1
4.3 liters V-6	285 hp	305 lb-ft	7

Configurations

Configuration	Engine label	HP	Torque
AT4 4x4 Crew Cab 5.75 ft. box 147.4 in. WB	5.3 liters V-8	355 hp	383 lb-ft
Denali 4x2 Crew Cab 5.75 ft. box 147.4 in. WB	5.3 liters V-8	355 hp	383 lb-ft
Denali 4x4 Crew Cab 5.75 ft. box 147.4 in. WB	5.3 liters V-8	355 hp	383 lb-ft
Denali 4x4 Crew Cab 6.6 ft. box 157 in. WB	5.3 liters V-8	355 hp	383 lb-ft
Elevation 4x2 Crew Cab 5.75 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
Elevation 4x2 Double Cab 6.6 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
Elevation 4x4 Double Cab 6.6 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
SLE 4x2 Crew Cab 5.75 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
SLE 4x2 Double Cab 6.6 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
SLE 4x4 Double Cab 6.6 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
SLT 4x2 Crew Cab 5.75 ft. box 147.4 in. WB	5.3 liters V-8	355 hp	383 lb-ft
SLT 4x4 Crew Cab 5.75 ft. box 147.4 in. WB	5.3 liters V-8	355 hp	383 lb-ft
SLT 4x4 Crew Cab 6.6 ft. box 157 in. WB	5.3 liters V-8	355 hp	383 lb-ft
AT4 4x4 Crew Cab 6.6 ft. box 157 in. WB	3.0 liters I-6	277 hp	460 lb-ft
Elevation 4x4 Crew Cab 5.75 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
Elevation 4x4 Crew Cab 6.6 ft. box 157 in. WB	2.7 liters I-4	310 hp	348 lb-ft
SLE 4x4 Crew Cab 5.75 ft. box 147.4 in. WB	2.7 liters I-4	310 hp	348 lb-ft
SLE 4x4 Crew Cab 6.6 ft. box 157 in. WB	2.7 liters I-4	310 hp	348 lb-ft
Base 4x2 Crew Cab 5.75 ft. box 147.4 in. WB	4.3 liters V-6	285 hp	305 lb-ft
Base 4x2 Double Cab 6.6 ft. box 147.4 in. WB	4.3 liters V-6	285 hp	305 lb-ft
Base 4x2 Regular Cab 8 ft. box 139.6 in. WB	4.3 liters V-6	285 hp	305 lb-ft
Base 4x4 Crew Cab 5.75 ft. box 147.4 in. WB	4.3 liters V-6	285 hp	305 lb-ft
Base 4x4 Crew Cab 6.6 ft. box 157 in. WB	4.3 liters V-6	285 hp	305 lb-ft
Base 4x4 Double Cab 6.6 ft. box 147.4 in. WB	4.3 liters V-6	285 hp	305 lb-ft
Base 4x4 Regular Cab 8 ft. box 139.6 in. WB	4.3 liters V-6	285 hp	305 lb-ft