Based on data from 128 vehicles, 11,493 fuel-ups and 3,251,935 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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• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 200 Fuel-ups

  Property of FriskyLingo

• 16.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 140 Fuel-ups

  Property of bdwest

• 15.0 Avg MPG

• 2019 Gmc Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic Crew Cab Pickup
  Added Aug 2019 • 181 Fuel-ups

  Property of Bq77

• 16.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jul 2020 • 69 Fuel-ups

  Property of duanesapp

• 13.5 Avg MPG

• The Truck

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2020 • 132 Fuel-ups

  Property of RamRod78

• 17.0 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2020 • 152 Fuel-ups

  Property of tjw9773

• 15.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 21 Fuel-ups

  Property of loeljan

• 15.3 Avg MPG

• My Sierra 1500

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

  Property of Juanmac22

• 16.6 Avg MPG

• GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 125 Fuel-ups

  Property of bires16

• 18.2 Avg MPG

• RWRTAH GMC SIERRA

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2020 • 183 Fuel-ups

  Property of RWRTAH

• 15.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Feb 2019 • 109 Fuel-ups

  Property of jpbreno

• 17.1 Avg MPG

• Blue Sierra

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

  Property of MichaelRC

• 20.6 Avg MPG

• 19 Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 146 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 • 180 Fuel-ups

  Property of gijodi

• 13.1 Avg MPG

• Sierra 1500- 2018

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 89 Fuel-ups

  Property of RSQPilot

• 18.0 Avg MPG

• Big Red Truck

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Oct 2019 • 131 Fuel-ups

  Property of GreenbeanZ28

• 18.6 Avg MPG

• My Sierra 1500

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

  Property of kentmar

• 13.8 Avg MPG

• Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Oct 2019 • 14 Fuel-ups

  Property of Erimely

• 17.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jul 2020 • 185 Fuel-ups

  Property of towens

• 18.6 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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