Based on data from 132 vehicles, 12,673 fuel-ups and 3,587,355 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 (74) 6.2L V8 GAS (52) V8 GAS (1) Any Body Style Extended Cab Pickup (7) Crew Cab Pickup (32) Any Submodel SLE (11) Elevation (18) Denali (27) AT4 (36) SLT (40)

Below you can see a distribution of the fuel-ups with 512 outliers (3.88%) removed.

Following shows the average MPG of each of the 132 vehicles in the system.

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• My Sierra 1500

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2021 • 148 Fuel-ups

  Property of cfehring

• 16.6 Avg MPG

• 2019 Sierra

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Extended Cab Pickup
  Added Apr 2022 • 93 Fuel-ups

  Property of allesg

• 16.5 Avg MPG

• GMC

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2022 • 177 Fuel-ups

  Property of gmc1296

• 15.8 Avg MPG

• GMC AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added Sep 2019 • 453 Fuel-ups

  Property of plaztikrhino

• 13.3 Avg MPG

• Sierra

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added May 2019 • 199 Fuel-ups

  Property of keibrohogfan

• 15.7 Avg MPG

• Sierra Denali 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Dec 2019 • 257 Fuel-ups

  Property of kkib2

• 17.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Dec 2024 • 3 Fuel-ups

  Property of Rusty67

• 12.6 Avg MPG

• Sierra

  2019 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Aug 2019 • 115 Fuel-ups

  Property of Geeorgiaboy06

• 17.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2022 • 83 Fuel-ups

  Property of sassriverrat

• 17.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Mar 2024 • 78 Fuel-ups

  Property of jonestv

• 14.2 Avg MPG

• Sierra

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Mar 2023 • 335 Fuel-ups

  Property of Send

• 17.3 Avg MPG

• Frosty

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2019 • 133 Fuel-ups

  Property of 13dking

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2019 • 382 Fuel-ups

  Property of jp3044

• 16.9 Avg MPG

• 2019 GMC Sierra

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 262 Fuel-ups

  Property of biddyman

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
  Added Aug 2023 • 24 Fuel-ups

  Property of kentmar

• 13.6 Avg MPG

• Morpheus

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added Jan 2020 • 389 Fuel-ups

  Property of Woobeys504

• 17.0 Avg MPG

• My Sierra 1500 AT4

  2019 GMC Sierra 1500 AT4 5.3L V8 GAS Automatic 8 Speed
  Added May 2019 • 253 Fuel-ups

  Property of DarthColin

• 16.5 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 8 Speed
  Added Nov 2019 • 64 Fuel-ups

  Property of Juanmac22

• 16.8 Avg MPG

• 19 Sierra 1500 SLT

  2019 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Nov 2019 • 161 Fuel-ups

  Property of Bandemar

• 18.8 Avg MPG

• My Sierra 1500

  2019 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 10 Speed
  Added Oct 2024 • 11 Fuel-ups

  Property of MrPetruccelli82

• 12.9 Avg MPG

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