Based on data from 128 vehicles, 11,491 fuel-ups and 3,251,289 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.29 with a 0.05 MPG margin of error.

Any Engine Type 2.7L L4 GAS (1) 3.0L L6 DIESEL (2) 5.3L V8 GAS (71) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (31) Any Submodel SLE (9) Elevation (17) Denali (27) AT4 (35) SLT (40)

Below you can see a distribution of the fuel-ups with 441 outliers (3.70%) removed.

Following shows the average MPG of each of the 128 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Aug 2019 • 106 Fuel-ups

  Property of molen

• 14.8 Avg MPG

• Papas Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jun 2022 • 3 Fuel-ups

  Property of TruckerTim24

• 18.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 109 Fuel-ups

  Property of OutlawRon

• 15.9 Avg MPG

• Sierra 1500-202205

  2019 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2022 • 9 Fuel-ups

  Property of mbriscoe

• 21.0 Avg MPG

• Blue Sierra with Kendon

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Nov 2019 • 13 Fuel-ups

  Property of MichaelRC

• 17.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 150 Fuel-ups

  Property of JoeMoeCub

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 83 Fuel-ups

  Property of SharkBite

• 15.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 2.7L L4 GAS Automatic 8 Speed
  Added Aug 2021 • 8 Fuel-ups

  Property of stephmtl

• 23.2 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2019 • 70 Fuel-ups

  Property of berning

• 19.9 Avg MPG

• Red

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jan 2021 • 40 Fuel-ups

  Property of KD5FPV

• 14.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Jan 2020 • 56 Fuel-ups

  Property of GongShow556

• 15.9 Avg MPG

• Truck

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jul 2019 • 84 Fuel-ups

  Property of Bkroeze

• 17.2 Avg MPG

• My Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 56 Fuel-ups

  Property of JohnGalt60

• 15.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Feb 2019 • 101 Fuel-ups

  Property of meeks

• 17.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 42 Fuel-ups

  Property of cannonw

• 14.5 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Nov 2019 • 39 Fuel-ups

  Property of dsc0814

• 17.3 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Feb 2019 • 101 Fuel-ups

  Property of szachary01

• 16.1 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 49 Fuel-ups

  Property of familyman007

• 17.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
  Added Feb 2021 • 3 Fuel-ups

  Property of djfitch

• 28.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2021 • 3 Fuel-ups

  Property of clows87

• 13.8 Avg MPG

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