capability
capability
The 2021 GMC Sierra 1500 is the peak of GMC design and capability. Its powerful engines, innovative technologies, premium features and purposeful designs give the confidence you need to conquer the terrain.
4.3L Gas V6†
2.7L Turbo Engine†
5.3L EcoTec®3 V8†
5.3L EcoTec®3 V8† (Not equipped with Dynamic Fuel Management or Active Fuel Management)
Duramax® 3.0L Turbo-Diesel†
6.2L EcoTec®3 V8†
6.2L EcoTec®3 V8† (Not Equipped with Auto Stop/Start)
HORSEPOWER (hp @rpm)
285
310
355
355
277
420
420
TORQUE (lb.-ft. @rpm)
305
348
383
383
460
460
460
TRANSMISSIONS
6-speed automatic transmission
8-speed automatic transmission
10-speed automatic transmission available on 4WD models, 8-speed automatic transmission on 2WD models; standard
6-speed automatic transmission on Sierra work truck only
10-speed automatic transmission available on 4WD models, 8-speed automatic transmission on 2WD models;
standard
6-speed automatic transmission on Sierra work truck only
10-speed automatic transmission
10-speed automatic transmission
10-speed automatic transmission
FUEL DELIVERY
Direct high-pressure fuel injection with Active Fuel Management
Direct high-pressure fuel injection with Active Fuel Management
Direct high-pressure fuel injection; Active Fuel Management is featured on the Sierra work truck only
Direct high-pressure fuel injection (not equipped with Dynamic Fuel Management or Active Fuel Management)
High-pressure, common-rail direct injection (36,250 psi/2,500 bar); electronic throttle valve
Direct high-pressure fuel injection
Direct high-pressure fuel injection (Not Equipped with Auto Stop/Start)
EPA ESTIMATED FUEL ECONOMY MPG (2WD)
16 city/21 hwy
20 city/23 hwy
17 city/23 hwy (8-speed transmission),
15 city/21 hwy (6-speed transmission)
14 city/21 highway (6-speed transmission)
15 city/22 hwy (8-speed transmission)
23 city/30 hwy
N/A
N/A
EPA ESTIMATED FUEL ECONOMY MPG (4WD)
15 city/20 hwy
18 city/21 hwy
15 city/21 hwy (10-speed transmission),
15 city/21 hwy (10-speed transmission AT4),
15 city/20 hwy (6-speed transmission)
14 city/20 highway (6-speed transmission)
14 city/20 hwy (8-speed transmission)
22 city/26 hwy
16 city/20 hwy,
15 city/19 hwy (AT4)
15 city/20 hwy,
14 city/19 hwy (AT4)
10-SPEED AUTOMATIC TRANSMISSION
10-speed automatic transmission features closer gear spacing that allows the engine to operate in an optimal range at all times with varying load and terrain conditions. Electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking.
Available on the 5.3L EcoTec3 V8 engines on 4WD models and included with the 6.2L EcoTec3 V8 engine or Duramax 3.0L Turbo-Diesel I6 engine.
Efficient, responsive and powerful — get familiar with Sierra 1500’s unparalleled diesel engine capabilities.
The 3.0L Duramax was designed to be a ‘no-excuses’ engine option that not only offers excellent efficiency, but a much quieter and smoother driving experience thanks to its inline-six (I-6) architecture.
AVAILABLE 2-SPEED AUTOTRAC TRANSFER CASE
Sierra is the first truck in its class to offer a 2-speed AutoTrac transfer case with an active automatic 4WD setting that provides seamless shifting between two- and four-wheel drive based on road conditions.
TRACTION SELECT SYSTEM
Traction Select System adjusts Sierra’s transmission shift points, throttle mapping and StabiliTrak® to optimize performance for the situation. The available modes in the Traction Select System are:
Learn more about Sierra’s Traction Select system on GMC Life.
STEEL CARGO BED
CARBON-FIBER COMPOSITE BED
INTEGRATED TRAILER BRAKE CONTROLLER
Provides fingertip control and monitoring of your trailer brakes. The in-vehicle Trailering App† allows drivers to program trailer brake level settings to specific trailer profiles. Available on Sierra, SLE and Elevation. Standard on SLT, AT4 and Denali.
AVAILABLE TRAILER TOWING MIRRORS
Sierra’s Trailer Towing Mirrors help you trailer with command and confidence:
ELECTRIC PARKING BRAKE ASSIST
When the available Hitch View† is on and you back up toward the trailer, the Electronic Parking Brake will automatically set when you shift to Park, helping avoid roll and maintain hitch ball alignment.
MAX TRAILERING PACKAGE
X31 OFF-ROAD PACKAGE
Available on Sierra, SLE, Elevation and SLT.
Standard on Sierra.
Standard on SLE and Elevation.
Standard on SLT, AT4 and Denali. Available on SLE and Elevation.
Certain 21MY vehicles equipped with L84 engines with an 8-speed automatic transmission are not equipped with Dynamic Fuel Management. Contact a dealer for details about a specific vehicle.
Available on SLE, Elevation, SLT, AT4 and Denali.
Available on SLT, AT4 and Denali. 4WD only.
EPA est. 23 city/30 hwy mpg (2WD).
Based on EPA highway estimate of Sierra 1500 2WD with available Duramax 3.0L Turbo-Diesel I-6 engine. Your range may be less.
Whichever comes first. See dealer for details.
Cargo and load capacity limited by weight and distribution.
App functionality and features vary with vehicle equipment and trim level. Data connection may be required. Some features require active service plan and working electrical system. Terms and limitations apply.
Available on SLE, Elevation and SLT models. Read the vehicle’s Owner’s Manual for important feature limitations and information.
Maximum Gross Vehicle Weight Rating (GVWR). When properly equipped; includes weight of vehicle, passengers, cargo and equipment.
These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the vehicle loading section of the Owner's Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver's doorjamb.
7,700-lb rating requires a properly equipped 2WD Canyon Elevation Crew Cab short bed model with available Duramax 2.8L I4 Diesel engine and Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges.
Requires 4WD Crew Cab Short Bed with available 6.2L V8 engine and Max Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Requires Sierra 3500 HD Regular Cab Long Bed 2WD DRW with available Duramax 6.6L Turbo-Diesel V8, Max Trailering Package and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the Trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Requires 4WD Double Cab with available 6.2L V8 and Max Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
SLE models only.
Requires properly equipped 3500 Regular Cab DRW Long Box 2WD model with available 6.6L Duramax Turbo Diesel engine and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
7,550-lb rating requires a properly equipped 4WD Canyon Denali model with available Duramax 2.8L I4 Diesel engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options oraccessories may reduce the amount you can tow.
Requires 2WD Denali Short Box model with 5.3L V-8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
The 30,990 lbs. rating requires properly equipped Sierra 3500HD Crew Cab Long Box 4WD DRW with available Duramax 6.6L Turbo-Diesel V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
7,550-lb rating requires a properly equipped Canyon AT4 Crew Cab short bed model with cloth seating, available Duramax 2.8L I4 Diesel engine and Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Sierra’s 9,200-lb rating requires a properly equipped AT4 Crew Cab Short Bed 4WD model with 5.3L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Requires properly equipped 3500 Crew Cab SRW Standard Box 4WD model with 6.6L gas V8 engine. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the vehicle loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver’s door jamb.
Savana Passenger's 9,600-lb rating requires 2500 or 3500 Regular Wheelbase model, trailering equipment package and 6.6L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Savana Cargo’s 10,000-lb rating requires 2500 or 3500 Regular Wheelbase, trailering equipment package and 6.6L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Savana Cutaway’s 8,920-lb rating requires a 4500 Series 159" Wheelbase model with available 6.6L V8 engine. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the vehicle loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver’s door jamb.
Gross Combination Weight Rating (GCWR). When properly equipped; includes weight of vehicle and trailer combination, including the weight of driver, passengers, fuel, optional equipment and cargo in the vehicle and trailer.
Canyon’s 7000-lb rating requires available trailering package and 3.6L V-6 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Sierra's 12,500-lb rating requires Sierra Double Cab or Crew Cab Short box 2wd with 6.2L EcoTec3 V8 engine and NHT Max Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Trailer weight ratings are calculated assuming properly equipped vehicle, plus driver and one passenger. The weight of other optional equipment, passengers and cargo will reduce the trailer weight your vehicle can tow. See dealer for details.
Sierra Denali's 9,300-lb rating requires 2wd. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Savana Passenger's 10,000-lb rating requires 2500 Wheel Base with 6.0L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Savana Cargo's 10,000-lb rating requires 6.0L V8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the vehicle loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver’s door jamb.
Gross Combination Weight Rating (GCWR). When properly equipped, includes weight of vehicle, passengers, cargo and equipment.
Canyon’s 7700-lb rating requires 2WD Crew Cab model with available Duramax 2.8L I-4 Diesel engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Requires 2WD Crew Cab DRW equipped with 6.6L Duramax Diesel and fifth-wheel or gooseneck hitch. Trailer weight ratings are calculated assuming properly equipped vehicle, plus driver and one passenger. The weight of other optional equipment, passengers and cargo will reduce the trailer weight your vehicle can tow. See dealer for details.
Starting at price for base Sierra HD. The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges.
Requires properly equipped 3500 Regular Cab DRW Long Box 2WD model with available 6.6L Duramax Turbo Diesel engine and gooseneck hitch. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges. Bed/Roof-Mounted Bicycle Carriers shown. Requires crossbars or Thule Rack Solution. Non-GM warranty. Warranty by Thule®. See dealer for more information.
These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the vehicle loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver’s door jamb.
Available. Requires 2.0L Turbocharged gas engine.
Terrain's 3,500-lb rating requires available 2.0L Turbocharged gas engine and available trailering equipment. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Requires available 3.6L V6 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Yukon’s 8,500-lb rating requires short wheelbase 2wd with 5.3L EcoTec3 V8 engine and HD Trailering Package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Requires 2WD Denali Short Box model with 5.3L V-8 engine. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Savana Cutaway’s 9,006-lb rating requires a 4500 Series 159" Wheelbase model with available 6.0L V8 engine. These maximum payload ratings are intended for comparison purposes only. Before you buy a vehicle or use it to haul people or cargo, carefully review the vehicle loading section of the Owner’s Manual and check the carrying capacity of your specific vehicle on the label on the inside of the driver’s door jamb.
Savana Cargo’s 10,000-lb rating requires the available 6.0L V8 engine and trailering equipment package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
Savana Passenger's 9,600-lb rating requires a 2500 or 3500 Regular wheelbase model with available 6.0L V8 engine and trailering equipment package. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The weight of passengers, cargo and options or accessories may reduce the amount you can tow.
