Based on data from 132 vehicles, 12,760 fuel-ups and 3,612,115 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 (74) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (32) Any Submodel SLE (11) Elevation (18) Denali (27) AT4 (36) SLT (40)

Below you can see a distribution of the fuel-ups with 517 outliers (3.89%) removed.

Following shows the average MPG of each of the 132 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 386 Fuel-ups

  Property of jp3044

• 16.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 192 Fuel-ups

  Property of wAAs

• 18.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Nov 2019 • 65 Fuel-ups

  Property of Juanmac22

• 16.8 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 265 Fuel-ups

  Property of biddyman

• 16.5 Avg MPG

• 19 GMC Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2019 • 128 Fuel-ups

  Property of RLDavidson

• 17.1 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 181 Fuel-ups

  Property of gmc1296

• 15.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2024 • 80 Fuel-ups

  Property of jonestv

• 14.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 10 Speed
  Added Oct 2024 • 15 Fuel-ups

  Property of MrPetruccelli82

• 12.6 Avg MPG

• '19 Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jul 2023 • 130 Fuel-ups

  Property of thewhitemads

• 21.8 Avg MPG

• Star Trek 2

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 182 Fuel-ups

  Property of Quasiman

• 15.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 129 Fuel-ups

  Property of Bfigs

• 8.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 323 Fuel-ups

  Property of CraigR1901

• 18.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 453 Fuel-ups

  Property of jmcauley

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 230 Fuel-ups

  Property of Fire50

• 19.4 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 456 Fuel-ups

  Property of plaztikrhino

• 13.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 87 Fuel-ups

  Property of sassriverrat

• 17.7 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 228 Fuel-ups

  Property of FriskyLingo

• 16.4 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2024 • 18 Fuel-ups

  Property of blofferdahl

• 17.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 148 Fuel-ups

  Property of jrbyrne84

• 15.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 154 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

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