Based on data from 132 vehicles, 12,866 fuel-ups and 3,641,765 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 520 outliers (3.88%) removed.

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

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• Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 348 Fuel-ups

  Property of Send

• 17.3 Avg MPG

• GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 145 Fuel-ups

  Property of bires16

• 18.2 Avg MPG

• 19 GMC Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2019 • 133 Fuel-ups

  Property of RLDavidson

• 17.1 Avg MPG

• RWRTAH GMC SIERRA

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2020 • 212 Fuel-ups

  Property of RWRTAH

• 15.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 458 Fuel-ups

  Property of jmcauley

• 17.7 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2020 • 169 Fuel-ups

  Property of tjw9773

• 15.2 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 80 Fuel-ups

  Property of cmm574

• 17.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 194 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 • 160 Fuel-ups

  Property of RamRod78

• 17.5 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS
  Added Jul 2024 • 25 Fuel-ups

  Property of ParsonsArmy

• 16.2 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 139 Fuel-ups

  Property of jbullard00

• 16.0 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2024 • 24 Fuel-ups

  Property of blofferdahl

• 16.6 Avg MPG

• Frosty

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

  Property of 13dking

• 16.6 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 269 Fuel-ups

  Property of biddyman

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jan 2024 • 35 Fuel-ups

  Property of nschlim

• 14.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 133 Fuel-ups

  Property of Bfigs

• 8.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 391 Fuel-ups

  Property of jp3044

• 16.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 232 Fuel-ups

  Property of Fire50

• 19.4 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 187 Fuel-ups

  Property of gmc1296

• 15.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 151 Fuel-ups

  Property of jrbyrne84

• 15.8 Avg MPG

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