capability

ENGINEERED TO CONQUER

The Next Generation 2020 Sierra Heavy Duty pickup truck offers up to 16,102 KG (35,500 lb.) of max towing. It’s built strong so you can tow strong with a larger drive shaft than the previous generation and rear axle that increase durability and strength. A bigger grille and engine fan help improve engine cooling. Improved brakes and steering offer superior control.

Available Allison®† 10-speed Automatic Transmission


ALL-NEW 6.6L V8 GAS ENGINE


AVAILABLE 6.6L DURAMAX® TURBO DIESEL V8

ADVANCED POWER

The Next Generation Sierra Heavy Duty truck features advanced engines that power a confident driving and trailering experience.

All-New 6.6L V8 Gas Engine

  • 401 hp
  • 464 lb.-ft. of torque
  • Compression Ratio of 10.75:1
  • Valve Train: overhead-valve, two valves per cylinder, variable valve timing
  • Paired with the 6-speed automatic transmission

Available 6.6L Duramax® Turbo Diesel V8

  • 445 hp
  • 910 lb.-ft. of torque
  • Compression Ratio of 16:1
  • Diesel Exhaust Brake System
  • Valve Train: overhead-valve, four valves per cylinder
  • First-ever factory installed diesel engine after-run cooling function
  • Paired with the Allison®† 10-Speed Automatic Transmission 

2500 ENGINES

6.6 L V8 GASOLINE

6.6 L V8  TURBO DIESEL

CYLINDER HEAD MATERIAL

Cast Aluminum

Cast Aluminum

COMPRESSION RATIO

10.75 : 1

16 : 1

VALVETRAIN

Overhead-valve, two valves per cylinder, variable valve timing

Overhead-valve, four valves per cylinder

FUEL DELIVERY

Direct Fuel Injection

Common-Rail Direct Fuel Injection

HORSEPOWER (hp @rpm)

401 @5200

445 @2800

TORQUE (lb.-ft. @rpm)

464 @4000

910 @1600

2500 TRANSMISSIONS & AXLES

6L90 SIX-SPEED AUTOMATIC TRANSMISSION (6.6L GAS)

ALLISON®† 10-SPEED AUTOMATIC TRANSMISSION (6.6L DIESEL)

GEAR RATIOS (:1)

6L90

10L1000

FIRST GEAR

4.03

4.54

SECOND GEAR

2.36

2.87

THIRD GEAR

1.53

2.06

FOURTH GEAR

1.15

1.72

FIFTH GEAR

0.85

1.48

SIXTH GEAR

0.67

1.26

SEVENTH GEAR

1.00

EIGHTH GEAR

0.85

NINTH GEAR

0.69

TENTH

0.63

REVERSE

3.06

4.54

AXLE RATIO

3.73

3.42

REAR AXLE RING GEAR SIZE

11.5 in.

11.5 in.

3500 ENGINES

6.6 L V8 GASOLINE

6.6 L V8 TURBO DIESEL

CYLINDER HEAD MATERIAL

Cast Aluminum

Cast Aluminum

COMPRESSION RATIO

10.75 : 1

16 : 1

VALVETRAIN

Overhead-valve, two valves per cylinder, variable valve timing

Overhead-valve, four valves per cylinder

FUEL DELIVERY

Direct Fuel Injection

Common-Rail Direct Fuel Injection

HORSEPOWER (hp @rpm)

401 @5200

445 @2800

TORQUE (lb.-ft. @rpm)

464@4000

910@1600

3500 TRANSMISSIONS & AXLES

6L90 SIX-SPEED AUTOMATIC TRANSMISSION (6.6L GAS)

ALLISON®† 10-SPEED AUTOMATIC TRANSMISSION (6.6L DIESEL)

GEAR RATIOS (:1)

6L90

10L1000

FIRST GEAR

4.03

4.54

SECOND GEAR

2.36

2.87

THIRD GEAR

1.53

2.06

FOURTH GEAR

1.15

1.72

FIFTH GEAR

0.85

1.48

SIXTH GEAR

0.67

1.26

SEVENTH GEAR

1.00

EIGHTH GEAR

0.85

NINTH GEAR

0.69

TENTH

0.63

REVERSE

3.06

4.54

AXLE RATIO

3.73

3.42

REAR AXLE RING GEAR SIZE

11.5 in.

12 in.

Available ProGrade™ Trailering System

Available Auto Electric Parking Brake

Available X31 Off-Road Package

U.S. MODEL SHOWN

Available Digital Variable Steering Assist

U.S. MODEL SHOWN

Available Traction Select System with Off-Road and Tow/Haul Mode

Available 2-Speed AutoTrac Transfer Case

Available Gooseneck/Fifth-Wheel Prep Package

NEXT STEPS

  • Requires properly equipped 3500 Regular Cab DRW Long Box 2WD model with available 6.6L Duramax Turbo Diesel engine and gooseneck hitch (late availability). 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.

  • Allison is a registered trademark of Allison Transmission, Inc.

  • Excludes other GM vehicles.

  • Comparison based on wardsauto.com 2019 Large Pickup segment and latest competitive information available at the time of posting. Excludes other GM vehicles.

  • Manufacturer's Suggested Retail Price, does not include freight, air conditioning charge and Tire fee if applicable. License, insurance, registration, fees associated with filing at movable property registry/PPSA, administration fees, duties and taxes extra. Dealers are free to set individual prices. See dealer for details. U.S. model shown. Image may not show the configurable options selected or available on the vehicle. Some colour options are available at extra cost and may only be available on select trims. On Locate a Vehicle shopping tool, Manufacturer's Suggested Retail Price includes freight, $100 air conditioning tax and Tire fee if applicable. License, insurance, registration, fees associated with filing at movable property registry/PPSA, administration fees, duties and taxes extra. Dealers are free to set individual prices. See dealer for details. U.S. model shown. Image may not show the configurable options selected or available on the vehicle. Some colour options are available at extra cost and may only be available on select trims.

  • Manufacturer's Suggested Retail Price, includes freight and $100 air conditioning tax if applicable. License, insurance, registration, fees associated with filing at movable property registry/PPSA, administration fees, duties and taxes extra. Dealers are free to set individual prices. See dealer for details. U.S. model shown. Image may not show the configurable options selected or available on the vehicle. Some colour options are available at extra cost and may only be available on select trims.

  • 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.

  • For comparison purposes only.  See the Owner’s Manual and the label on the vehicle door jamb for the carrying capacity of a specific vehicle.

  • Savana’s 4536 kg (10,000 lb.) rating requires the available 6.0L V8 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.

  • Savana’s 4354 kg (9,600lb.) rating requires a Regular Wheelbase model, available 6.0L V8 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.

  • 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.

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