Based on data from 128 vehicles, 11,518 fuel-ups and 3,259,218 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.29 with a 0.05 MPG margin of error.

Any Engine Type 2.7L L4 GAS (1) 3.0L L6 DIESEL (2) 5.3L V8 GAS (71) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (31) Any Submodel SLE (9) Elevation (17) Denali (27) AT4 (35) SLT (40)

Below you can see a distribution of the fuel-ups with 441 outliers (3.69%) removed.

Following shows the average MPG of each of the 128 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 43 Fuel-ups

  Property of sassriverrat

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 402 Fuel-ups

  Property of jmcauley

• 17.6 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 61 Fuel-ups

  Property of cmm574

• 16.5 Avg MPG

• Morpheus

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2020 • 330 Fuel-ups

  Property of Woobeys504

• 21.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 79 Fuel-ups

  Property of diamondpl8

• 16.7 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 118 Fuel-ups

  Property of jbullard00

• 15.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 95 Fuel-ups

  Property of Bfigs

• 15.2 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 121 Fuel-ups

  Property of gmc1296

• 15.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 123 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2024 • 17 Fuel-ups

  Property of jonestv

• 16.4 Avg MPG

• The Truck

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2020 • 133 Fuel-ups

  Property of RamRod78

• 17.0 Avg MPG

• Sierra Denali 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Dec 2019 • 219 Fuel-ups

  Property of kkib2

• 17.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jan 2024 • 9 Fuel-ups

  Property of nschlim

• 14.5 Avg MPG

• 19 Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 147 Fuel-ups

  Property of Bandemar

• 18.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Feb 2020 • 181 Fuel-ups

  Property of gijodi

• 13.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 344 Fuel-ups

  Property of jp3044

• 16.8 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 273 Fuel-ups

  Property of Send

• 17.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 288 Fuel-ups

  Property of CraigR1901

• 18.0 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 228 Fuel-ups

  Property of biddyman

• 16.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Feb 2020 • 57 Fuel-ups

  Property of DevilDogNinja

• 17.2 Avg MPG

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