Based on data from 115 vehicles, 7,884 fuel-ups and 2,231,333 miles of driving, the 2019 GMC Sierra 1500 gets a combined Avg MPG of 16.20 with a 0.07 MPG margin of error.

Any Engine Type 2.7L L4 GAS (1) 3.0L L6 DIESEL (2) 5.3L V8 GAS (66) 6.2L V8 GAS (44) V8 GAS (1) Any Body Style Extended Cab Pickup (6) Crew Cab Pickup (27) Any Submodel SLE (9) Elevation (13) Denali (23) AT4 (32) SLT (38)

Below you can see a distribution of the fuel-ups with 257 outliers (3.16%) removed.

Following shows the average MPG of each of the 115 vehicles in the system.

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• Company Pickup Big Boss

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added May 2022 • 14 Fuel-ups

  Property of colaroga

• 16.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Oct 2019 • 112 Fuel-ups

  Property of mbriscoe

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Feb 2020 • 112 Fuel-ups

  Property of gijodi

• 13.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 10 Speed
  Added Apr 2022 • 10 Fuel-ups

  Property of Bfigs

• 7.3 Avg MPG

• Sierra

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2019 • 40 Fuel-ups

  Property of Geeorgiaboy06

• 17.0 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 125 Fuel-ups

  Property of jmurf75

• 15.3 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 178 Fuel-ups

  Property of jp3044

• 16.6 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 123 Fuel-ups

  Property of tystark801

• 15.7 Avg MPG

• 2019 GMC Sierra AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Jun 2019 • 173 Fuel-ups

  Property of GeneonMAC

• 17.4 Avg MPG

• GMC Sierra

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Oct 2020 • 86 Fuel-ups

  Property of bires16

• 18.0 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Sep 2019 • 253 Fuel-ups

  Property of plaztikrhino

• 13.3 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Apr 2022 • 12 Fuel-ups

  Property of allesg

• 16.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added May 2022 • 7 Fuel-ups

  Property of MegaCleanCab

• 14.5 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 135 Fuel-ups

  Property of biddyman

• 16.2 Avg MPG

• 2019 Sierra 1500 Denali

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2022 • 4 Fuel-ups

  Property of sselph

• 16.5 Avg MPG

• Morpheus

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2020 • 158 Fuel-ups

  Property of Woobeys504

• 21.6 Avg MPG

• My Sierra 1500

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

  Property of jmcauley

• 17.5 Avg MPG

• My Sierra 1500

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

  Property of BMCchief

• 17.7 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2019 • 213 Fuel-ups

  Property of jonesie8s

• 16.2 Avg MPG

• My Sierra 1500 AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 170 Fuel-ups

  Property of DarthColin

• 16.6 Avg MPG

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