Based on data from 132 vehicles, 12,834 fuel-ups and 3,632,800 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.30 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 (74) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (32) Any Submodel SLE (11) Elevation (18) Denali (27) AT4 (36) SLT (40)

Below you can see a distribution of the fuel-ups with 518 outliers (3.88%) removed.

Following shows the average MPG of each of the 132 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 456 Fuel-ups

  Property of jmcauley

• 17.7 Avg MPG

• Sierra Denali 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Dec 2019 • 263 Fuel-ups

  Property of kkib2

• 17.8 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 186 Fuel-ups

  Property of gmc1296

• 15.8 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2024 • 23 Fuel-ups

  Property of blofferdahl

• 16.7 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 229 Fuel-ups

  Property of FriskyLingo

• 16.4 Avg MPG

• My Sierra AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 259 Fuel-ups

  Property of abcolorado

• 17.6 Avg MPG

• The Truck

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2020 • 159 Fuel-ups

  Property of RamRod78

• 17.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 390 Fuel-ups

  Property of jp3044

• 16.9 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 345 Fuel-ups

  Property of Send

• 17.3 Avg MPG

• Star Trek 2

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

  Property of Quasiman

• 15.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Nov 2019 • 66 Fuel-ups

  Property of Juanmac22

• 16.8 Avg MPG

• Duke

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 99 Fuel-ups

  Property of rrundell77

• 16.4 Avg MPG

• Sierra

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2019 • 200 Fuel-ups

  Property of keibrohogfan

• 15.7 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 268 Fuel-ups

  Property of biddyman

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 90 Fuel-ups

  Property of sassriverrat

• 17.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 325 Fuel-ups

  Property of CraigR1901

• 18.0 Avg MPG

• Red Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 209 Fuel-ups

  Property of nkexplrr

• 19.2 Avg MPG

• '19 Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jul 2023 • 131 Fuel-ups

  Property of thewhitemads

• 21.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 163 Fuel-ups

  Property of bdwest

• 14.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 193 Fuel-ups

  Property of wAAs

• 18.0 Avg MPG

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