Based on data from 133 vehicles, 13,036 fuel-ups and 3,686,702 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 (53) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (32) Any Submodel SLE (11) Elevation (18) Denali (27) AT4 (37) SLT (40)

Below you can see a distribution of the fuel-ups with 525 outliers (3.87%) removed.

Following shows the average MPG of each of the 133 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 42 Fuel-ups

  Property of loeljan

• 15.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2023 • 31 Fuel-ups

  Property of kentmar

• 13.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Nov 2019 • 68 Fuel-ups

  Property of Juanmac22

• 16.8 Avg MPG

• Blue

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 190 Fuel-ups

  Property of anle2000

• 17.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 104 Fuel-ups

  Property of sassriverrat

• 17.7 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 357 Fuel-ups

  Property of Send

• 17.3 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 142 Fuel-ups

  Property of jbullard00

• 16.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2024 • 93 Fuel-ups

  Property of jonestv

• 14.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 155 Fuel-ups

  Property of jrbyrne84

• 15.8 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Oct 2024 • 31 Fuel-ups

  Property of blofferdahl

• 16.4 Avg MPG

• 19 GMC Denali

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

  Property of RLDavidson

• 16.9 Avg MPG

• '19 Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jul 2023 • 135 Fuel-ups

  Property of thewhitemads

• 21.5 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 197 Fuel-ups

  Property of gmc1296

• 15.8 Avg MPG

• The Truck

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jun 2020 • 165 Fuel-ups

  Property of RamRod78

• 17.4 Avg MPG

• 19 Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 174 Fuel-ups

  Property of Bandemar

• 18.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 199 Fuel-ups

  Property of wAAs

• 18.0 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS
  Added Jul 2024 • 29 Fuel-ups

  Property of ParsonsArmy

• 16.1 Avg MPG

• Red Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 212 Fuel-ups

  Property of nkexplrr

• 19.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 399 Fuel-ups

  Property of jp3044

• 16.9 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2020 • 172 Fuel-ups

  Property of tjw9773

• 15.1 Avg MPG

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