Based on data from 131 vehicles, 12,519 fuel-ups and 3,544,671 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 (3.88%) removed.

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

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• '19 Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jul 2023 • 128 Fuel-ups

  Property of thewhitemads

• 21.8 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Apr 2022 • 92 Fuel-ups

  Property of allesg

• 16.5 Avg MPG

• Frosty

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 131 Fuel-ups

  Property of 13dking

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2023 • 22 Fuel-ups

  Property of kentmar

• 13.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 35 Fuel-ups

  Property of loeljan

• 15.8 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2020 • 165 Fuel-ups

  Property of tjw9773

• 15.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Feb 2019 • 112 Fuel-ups

  Property of jpbreno

• 17.4 Avg MPG

• Blue

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 186 Fuel-ups

  Property of anle2000

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 106 Fuel-ups

  Property of diamondpl8

• 17.2 Avg MPG

• RWRTAH GMC SIERRA

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2020 • 210 Fuel-ups

  Property of RWRTAH

• 15.3 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 • 53 Fuel-ups

  Property of MichaelRC

• 11.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Feb 2020 • 206 Fuel-ups

  Property of gijodi

• 13.0 Avg MPG

• My Sierra 1500

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

  Property of phojo-go

• 17.2 Avg MPG

• Denali

  2019 GMC Sierra 1500 Denali V8 GAS Automatic 10 Speed
  Added Oct 2018 • 146 Fuel-ups

  Property of DeLuce

• 12.8 Avg MPG

• Blue Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Sep 2019 • 75 Fuel-ups

  Property of MichaelRC

• 20.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 235 Fuel-ups

  Property of jmurf75

• 14.8 Avg MPG

• Sierra

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2019 • 109 Fuel-ups

  Property of Geeorgiaboy06

• 17.8 Avg MPG

• GMC Sierra AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2020 • 198 Fuel-ups

  Property of wotring

• 15.4 Avg MPG

• 19 GMC AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Sep 2022 • 39 Fuel-ups

  Property of bseal84

• 16.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2023 • 12 Fuel-ups

  Property of wilcoxGMC

• 15.7 Avg MPG

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