What Are the Key Specs of the 2021 GMC Sierra 1500?

February 17th, 2021 by

2021 GMC Sierra 1500 Denali towing capacity
If you’re looking for a work truck that can meet the demands of your Edmonton job site and haul a boat or camper on your next weekend getaway, the new GMC Sierra 1500 can deliver all of the capability and power you need. Explore the 2021 GMC Sierra 1500 specs in this guide from Capital GMC Buick, and then contact us to schedule a test drive today!

2021 GMC Sierra 1500 Specs

What Are the Engine & Transmission Options of the 2021 GMC Sierra 1500?

The engine output can make all the difference with a pickup truck. So, what are the engine and transmission options of the 2021 GMC Sierra 1500? There are six engines available:

2.7L Turbo engine

  • 310 hp [231 kW] @ 5600 rpm
  • 348 lb-ft of torque [471 Nm] @ 1500 rpm
  • Paired with a 8-speed automatic transmission

4.3L EcoTec3 V6 engine

  • 285 hp [212 kW] @ 5300 rpm
  • 305 lb-ft of torque [413 Nm] @ 3900 rpm
  • Active Fuel Management™ technology
  • Paired with a 6-speed automatic transmission

5.3L EcoTec3 V8 engine

  • 355 hp [265 kW] @ 5600 rpm
  • 383 lb-ft of torque [518 Nm] @ 4100 rpm
  • Active Fuel Management™ technology
  • Paired with a 6-speed automatic transmission

5.3L EcoTec3 V8 engine with DFM

  • 355 hp [265 kW] @ 5600 rpm
  • 383 lb-ft of torque [518 Nm] @ 4100 rpm
  • Dynamic Fuel Management technology
  • Paired with either a 8-speed (2WD) or 10-speed (4WD) automatic transmission

3.0L Duramax Turbo-Diesel I6 engine

  • 277 hp [206.6 kW] @ 3750 rpm
  • 460 lb-ft of torque [623.7 N-m] @ 1500 rpm)
  • Paired with a 10-speed automatic transmission
  • Includes diesel exhaust brake system

6.2L EcoTec3 V8 engine

  • 420 hp [313 kW] @ 5600 rpm
  • 460 lb-ft of torque [624 Nm] @ 4100 rpm
  • Dynamic Fuel Management technology
  • Paired with a 10-speed automatic transmission

What Are the Drivetrains of the 2021 GMC Sierra 1500?

The GMC Sierra can be had with either 2-wheel drive or all-wheel drive. With either, you’ll enjoy the Traction Select System, which allows you to choose from the following driving modes when you are out and about in the Sherwood Park area:

  • Tour
  • Sport
  • Terrain (available on 4WD models with single-speed transfer case)
  • Snow (2WD models only)
  • Tow/Haul
  • Off Road

What Are the MPG Estimates of the 2021 GMC Sierra 1500?

Combining power with fuel efficient performance, the GMC Sierra offers the best of both worlds. View the Sierra MPG estimates for each engine/drivetrain combination below:

2.7L Turbo engine

  • 2WD City: 14.0L/100 km
  • 2WD Highway:10.3L/100 km
  • 4WD City: 15.2L/100 km
  • 4WD Highway:11.4L/100 km

4.3L EcoTec3 V6 engine

  • 2WD City: 16.2L/100 km
  • 2 WD Highway: 12.3 L/100 km
  • 4WD City: 16.5 L/100 km
  • 4WD Highway: 12.8 L/100 km

5.3L EcoTec3 V8 engine

  • 2WD City: 10.2L/100 km
  • 2WD Highway:10.3 L/100 km
  • 4WD City: 10.6L/100 km
  • 4WD Highway:11.4L/100 km

3.0L Duramax Turbo-Diesel I6 engine

  • 2WD City: 10.6L/100 km
  • 2WD Highway:7.8L/100 km
  • 4WD City:10.1L/100 km
  • 4WD Highway:11.5L/100 km

6.2L EcoTec3 V8 engine

  • 2WD City: 15.9L/100 km
  • 2WD Highway:11.2 L/100 km
  • 4WD City: 16.0 L/100 km
  • 4WD Highway:11.7 L/100 km

What Are the Towing Stats of the 2021 GMC Sierra 1500?

Need a truck that can deliver robust towing on the roads in and around %target_city_3%%? Take a look at the towing stats of the GMC Sierra 1500:

  • 2.7L Turbo engine – 5,080 kilograms
  • 4.3L EcoTec3 V6 – 3,583 kilograms
  • 5.3L EcoTec3 V8 – 4,536 kilograms
  • 5.3L EcoTec3 V8 with Max Trailering Package – 5,126 kilograms
  • 3.0L Duramax Turbo-Diesel I6 engine – 5,307 kilograms
  • 6.2L EcoTec3 V8 – 4,218 kilograms
  • 6.2L EcoTec3 V8 with Max Trailering Package – 5,489 kilograms

Get Behind the Wheel of the GMC Sierra 1500 at Capital GMC Buick

Whether you choose a brand new GMC truck, or go with one of our fine used Sierra pickups, you’ll benefit from strong performance and above-average capabilities. Make sure to browse our current financing and lease offers to get the best deal possible on an exciting new Sierra 1500. We look forward to helping you upgrade your Edmonton driving experience today!

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