Based on data from 131 vehicles, 12,515 fuel-ups and 3,543,411 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.31 with a 0.05 MPG margin of error.

Any Engine Type 2.7L L4 GAS (2) 3.0L L6 DIESEL (2) 5.3L V8 GAS (73) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (32) Any Submodel SLE (11) Elevation (17) Denali (27) AT4 (36) SLT (40)

Below you can see a distribution of the fuel-ups with 506 outliers (3.89%) removed.

Following shows the average MPG of each of the 131 vehicles in the system.

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• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 223 Fuel-ups

  Property of FriskyLingo

• 16.4 Avg MPG

• Morpheus

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2020 • 382 Fuel-ups

  Property of Woobeys504

• 16.8 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 169 Fuel-ups

  Property of gmc1296

• 15.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2024 • 67 Fuel-ups

  Property of jonestv

• 14.4 Avg MPG

• Sierra 1500- 2018

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 94 Fuel-ups

  Property of RSQPilot

• 18.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 10 Speed
  Added Oct 2024 • 8 Fuel-ups

  Property of MrPetruccelli82

• 13.3 Avg MPG

• Sierra

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2019 • 195 Fuel-ups

  Property of keibrohogfan

• 15.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 445 Fuel-ups

  Property of jmcauley

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 316 Fuel-ups

  Property of CraigR1901

• 18.0 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 133 Fuel-ups

  Property of jbullard00

• 15.9 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 327 Fuel-ups

  Property of Send

• 17.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 144 Fuel-ups

  Property of jrbyrne84

• 15.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jul 2020 • 82 Fuel-ups

  Property of duanesapp

• 13.8 Avg MPG

• My Sierra 1500 AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 250 Fuel-ups

  Property of DarthColin

• 16.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 78 Fuel-ups

  Property of sassriverrat

• 17.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 122 Fuel-ups

  Property of Bfigs

• 8.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 146 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS
  Added Jul 2024 • 18 Fuel-ups

  Property of ParsonsArmy

• 16.6 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 447 Fuel-ups

  Property of plaztikrhino

• 13.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jan 2024 • 28 Fuel-ups

  Property of nschlim

• 15.3 Avg MPG

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