Based on data from 128 vehicles, 11,470 fuel-ups and 3,245,259 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 439 outliers (3.69%) removed.

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

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• '19 Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2019 • 73 Fuel-ups

  Property of drw4747

• 16.9 Avg MPG

• Rex

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 184 Fuel-ups

  Property of vensels

• 15.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2019 • 295 Fuel-ups

  Property of jonesie8s

• 16.0 Avg MPG

• 2019 Sierra 5.3L

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 211 Fuel-ups

  Property of tystark801

• 15.4 Avg MPG

• 2019 GMC Sierra AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 205 Fuel-ups

  Property of GeneonMAC

• 17.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2022 • 37 Fuel-ups

  Property of bradk4687

• 15.8 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2019 • 196 Fuel-ups

  Property of stevenlpennington

• 15.9 Avg MPG

• Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Crew Cab Pickup
  Added Jan 2023 • 30 Fuel-ups

  Property of mpierce0605

• 17.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 9 Fuel-ups

  Property of artscars

• 21.1 Avg MPG

• 2019 Sierra with GD Imagine 22RBE

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 7 Speed Extended Cab Pickup
  Added Aug 2020 • 38 Fuel-ups

  Property of MichaelRC

• 11.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2019 • 243 Fuel-ups

  Property of BMCchief

• 17.8 Avg MPG

• 2019 GMC Sierra Denali

  2019 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Feb 2020 • 134 Fuel-ups

  Property of wdclark

• 19.2 Avg MPG

• Sierra

  2019 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2021 • 21 Fuel-ups

  Property of Smittywood

• 24.1 Avg MPG

• GMC Sierra 1500 SLE

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2020 • 106 Fuel-ups

  Property of gyllenskog

• 15.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2019 • 237 Fuel-ups

  Property of bksatx

• 15.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Dec 2018 • 98 Fuel-ups

  Property of jmbeall

• 21.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added May 2022 • 26 Fuel-ups

  Property of MegaCleanCab

• 13.8 Avg MPG

• 2019 Sierra 1500 Crew Cab 4x4

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 40 Fuel-ups

  Property of zorrosr

• 13.4 Avg MPG

• Company GMC Pickup

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added May 2022 • 20 Fuel-ups

  Property of colaroga

• 16.5 Avg MPG

• 2019 Sierra 1500 Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2022 • 8 Fuel-ups

  Property of sselph

• 16.8 Avg MPG

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