What Are the 2021 GMC Sierra 1500 Engine & Performance Specs?

March 23rd, 2021 by

2021 GMC Sierra 1500
Whether you need a truck that can meet the demands of your White City job site or want a vehicle that can haul a boat or travel trailer with ease on your next adventure outside of Moose Jaw, you’ll want to take a look at the 2021 GMC Sierra 1500. With six powerful engine options and a choice of either 2-wheel or 4-wheel drive, you can select the Sierra configuration that will best suit your needs. Learn more about the GMC Sierra 1500 engine and performance specs, and then schedule a test drive today at Capital GMC Buick.

2021 GMC Sierra 1500 Engine & Transmission Options

The strong capabilities of the new GMC Sierra 1500 are largely due to its powerful engine lineup. Check out the various engine/transmission options below to see which will be the best fit with your Lumsden-area driving requirements.

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

2021 GMC Sierra 1500 Drivetrain Options

You can have your GMC Sierra equipped with 2-wheel or 4-wheel drive. No matter which you choose, you’ll enjoy the Traction Select System, which allows you to pick from the following driving modes to best suit the weather and road conditions:

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

2021 GMC Sierra 1500 Fuel Economy Ratings

The GMC Sierra 1500 offers a winning combination of robust power and efficient performance. Review the Sierra fuel economy ratings 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

2021 GMC Sierra 1500 Towing Specs

One of the advantages of driving a pickup truck is the superior towing capability, and in this regard the Sierra 1500 will not disappoint. Just take a look at the following Sierra towing specs to see what we mean:

  • 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

Find Your New GMC Sierra 1500 at Capital GMC Buick

If the 2021 GMC Sierra 1500 engine and performance specs sound like what you need from your next truck, head to Capital GMC Buick to choose the configuration that will best serve your needs. We offer a variety of new vehicle specials that can make your next GMC pickup more affordable than ever, and we also carry a great selection of budget-friendly used trucks. Please contact us if you have any questions or would like more information about the available Sierra Denali models.

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