Based on data from 128 vehicles, 11,493 fuel-ups and 3,251,935 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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• Star Trek 2

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 154 Fuel-ups

  Property of Quasiman

• 14.9 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 227 Fuel-ups

  Property of biddyman

• 16.4 Avg MPG

• Blue

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2019 • 179 Fuel-ups

  Property of anle2000

• 17.9 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 77 Fuel-ups

  Property of diamondpl8

• 16.7 Avg MPG

• 19 GMC AT4

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Sep 2022 • 37 Fuel-ups

  Property of bseal84

• 17.0 Avg MPG

• Denali

  2019 GMC Sierra 1500 Denali V8 GAS Automatic 10 Speed
  Added Oct 2018 • 138 Fuel-ups

  Property of DeLuce

• 12.7 Avg MPG

• My Sierra 1500

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

  Property of nschlim

• 14.3 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 117 Fuel-ups

  Property of jbullard00

• 15.9 Avg MPG

• 19 GMC Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2019 • 108 Fuel-ups

  Property of RLDavidson

• 17.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Nov 2019 • 129 Fuel-ups

  Property of phojo-go

• 17.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2019 • 127 Fuel-ups

  Property of jrbyrne84

• 16.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 222 Fuel-ups

  Property of jmurf75

• 15.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 200 Fuel-ups

  Property of Fire50

• 19.4 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 123 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

• GMC Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2022 • 60 Fuel-ups

  Property of cmm574

• 16.5 Avg MPG

• Frosty

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 119 Fuel-ups

  Property of 13dking

• 16.2 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 144 Fuel-ups

  Property of mbriscoe

• 17.5 Avg MPG

• Duke

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

  Property of rrundell77

• 16.2 Avg MPG

• Sierra

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2019 • 178 Fuel-ups

  Property of keibrohogfan

• 15.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Apr 2024 • 4 Fuel-ups

  Property of calco1986

• 19.0 Avg MPG

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