Based on data from 123 vehicles, 10,447 fuel-ups and 2,950,670 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.28 with a 0.06 MPG margin of error.

Any Engine Type 2.7L L4 GAS (1) 3.0L L6 DIESEL (2) 5.3L V8 GAS (66) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (31) Any Submodel SLE (9) Elevation (14) Denali (27) AT4 (35) SLT (38)

Below you can see a distribution of the fuel-ups with 401 outliers (3.70%) removed.

Following shows the average MPG of each of the 123 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 208 Fuel-ups

  Property of tystark801

• 15.4 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 48 Fuel-ups

  Property of cmm574

• 16.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 64 Fuel-ups

  Property of Bfigs

• 13.9 Avg MPG

• My Sierra AT4

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

  Property of abcolorado

• 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 • 172 Fuel-ups

  Property of towens

• 18.1 Avg MPG

• Star Trek 2

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 137 Fuel-ups

  Property of Quasiman

• 14.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 136 Fuel-ups

  Property of mbriscoe

• 17.6 Avg MPG

• 2019 Gmc Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic Crew Cab Pickup
  Added Aug 2019 • 168 Fuel-ups

  Property of Bq77

• 16.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 44 Fuel-ups

  Property of diamondpl8

• 16.0 Avg MPG

• '19 Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jul 2023 • 87 Fuel-ups

  Property of thewhitemads

• 23.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Feb 2019 • 104 Fuel-ups

  Property of jpbreno

• 17.1 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 179 Fuel-ups

  Property of FriskyLingo

• 16.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 150 Fuel-ups

  Property of wAAs

• 18.0 Avg MPG

• The Truck

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2020 • 115 Fuel-ups

  Property of RamRod78

• 17.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2019 • 289 Fuel-ups

  Property of jonesie8s

• 15.9 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 352 Fuel-ups

  Property of plaztikrhino

• 13.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2022 • 36 Fuel-ups

  Property of bradk4687

• 15.8 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 75 Fuel-ups

  Property of gmc1296

• 15.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 353 Fuel-ups

  Property of jmcauley

• 17.5 Avg MPG

• Blue

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 159 Fuel-ups

  Property of anle2000

• 17.9 Avg MPG

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