Based on data from 128 vehicles, 11,492 fuel-ups and 3,251,620 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 (3.70%) 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 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 77 Fuel-ups

  Property of cjel23

• 18.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Mar 2020 • 41 Fuel-ups

  Property of jav_eee

• 13.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2019 • 36 Fuel-ups

  Property of roncclark

• 13.9 Avg MPG

• My Sierra 1500 Denali

  2019 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 32 Fuel-ups

  Property of palmerjarrett

• 13.7 Avg MPG

• 2019 GMC AT4 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jun 2019 • 67 Fuel-ups

  Property of jr32313

• 15.0 Avg MPG

• Yeti’s AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Nov 2019 • 32 Fuel-ups

  Property of MeltedYeti

• 17.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2020 • 12 Fuel-ups

  Property of Along411

• 15.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 47 Fuel-ups

  Property of TackleBox

• 14.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 41 Fuel-ups

  Property of Thumpy

• 16.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 30 Fuel-ups

  Property of Just4fun778

• 14.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 46 Fuel-ups

  Property of Charger22

• 15.3 Avg MPG

• Ray

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2020 • 26 Fuel-ups

  Property of rberezowski

• 17.2 Avg MPG

• Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 59 Fuel-ups

  Property of monte_kristo

• 17.3 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2020 • 8 Fuel-ups

  Property of ahood1

• 16.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 55 Fuel-ups

  Property of dspivey

• 18.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Jun 2019 • 43 Fuel-ups

  Property of Walidkj

• 14.1 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2019 • 17 Fuel-ups

  Property of Maverick0984

• 14.5 Avg MPG

• Sierra 1500 Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2020 • 19 Fuel-ups

  Property of psreuben

• 15.6 Avg MPG

• 2019 Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 51 Fuel-ups

  Property of Mikecompton

• 16.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 10 Fuel-ups

  Property of robbinssrusn

• 19.4 Avg MPG

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