Based on data from 131 vehicles, 12,547 fuel-ups and 3,552,094 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.31 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 (73) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (32) Any Submodel SLE (11) Elevation (17) Denali (27) AT4 (36) SLT (40)

Below you can see a distribution of the fuel-ups with 507 outliers (3.88%) removed.

Following shows the average MPG of each of the 131 vehicles in the system.

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• 2019 Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 223 Fuel-ups

  Property of FriskyLingo

• 16.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 224 Fuel-ups

  Property of Fire50

• 19.4 Avg MPG

• Morpheus

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2020 • 382 Fuel-ups

  Property of Woobeys504

• 16.8 Avg MPG

• Sierra 1500- 2018

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 94 Fuel-ups

  Property of RSQPilot

• 18.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 10 Speed
  Added Oct 2024 • 8 Fuel-ups

  Property of MrPetruccelli82

• 13.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 144 Fuel-ups

  Property of jrbyrne84

• 15.9 Avg MPG

• My Sierra 1500 AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 250 Fuel-ups

  Property of DarthColin

• 16.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 78 Fuel-ups

  Property of sassriverrat

• 17.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 146 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS
  Added Jul 2024 • 18 Fuel-ups

  Property of ParsonsArmy

• 16.6 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 447 Fuel-ups

  Property of plaztikrhino

• 13.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2019 • 161 Fuel-ups

  Property of bdwest

• 14.6 Avg MPG

• 19 GMC Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2019 • 124 Fuel-ups

  Property of RLDavidson

• 17.1 Avg MPG

• 19 Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 157 Fuel-ups

  Property of Bandemar

• 18.8 Avg MPG

• Red Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 202 Fuel-ups

  Property of nkexplrr

• 19.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 187 Fuel-ups

  Property of wAAs

• 18.0 Avg MPG

• My Sierra AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2019 • 248 Fuel-ups

  Property of abcolorado

• 17.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Feb 2020 • 61 Fuel-ups

  Property of DevilDogNinja

• 16.9 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 74 Fuel-ups

  Property of cmm574

• 16.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 154 Fuel-ups

  Property of mbriscoe

• 17.4 Avg MPG

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