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.

• 1
• 2
• 3
• 4
• 5
• 6
• 7
• »

• 2019 Gmc Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic Crew Cab Pickup
  Added Aug 2019 • 209 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 2019 • 465 Fuel-ups

  Property of jmcauley

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jan 2024 • 39 Fuel-ups

  Property of nschlim

• 14.5 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 275 Fuel-ups

  Property of biddyman

• 16.5 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 232 Fuel-ups

  Property of FriskyLingo

• 16.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2023 • 41 Fuel-ups

  Property of loeljan

• 15.4 Avg MPG

• Sierra Denali 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Dec 2019 • 268 Fuel-ups

  Property of kkib2

• 17.8 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 464 Fuel-ups

  Property of plaztikrhino

• 13.2 Avg MPG

• Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 157 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Mar 2025 • 3 Fuel-ups

  Property of BigHuman73

• 16.8 Avg MPG

• Sierra

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2019 • 203 Fuel-ups

  Property of keibrohogfan

• 15.7 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 81 Fuel-ups

  Property of cmm574

• 17.1 Avg MPG

• My Sierra 1500 AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 264 Fuel-ups

  Property of DarthColin

• 16.5 Avg MPG

• Frosty

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 139 Fuel-ups

  Property of 13dking

• 16.6 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Apr 2022 • 96 Fuel-ups

  Property of allesg

• 16.5 Avg MPG

• My Sierra AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 262 Fuel-ups

  Property of abcolorado

• 17.6 Avg MPG

• Sierra 1500- 2018

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 95 Fuel-ups

  Property of RSQPilot

• 18.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 164 Fuel-ups

  Property of bdwest

• 14.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 234 Fuel-ups

  Property of Fire50

• 19.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 158 Fuel-ups

  Property of mbriscoe

• 17.4 Avg MPG

• 1
• 2
• 3
• 4
• 5
• 6
• 7
• »