Based on data from 89 vehicles, 912 fuel-ups and 353,697 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.68 with a 0.38 MPG margin of error.

Any Engine Type 2.7L L4 GAS (1) 3.0L L6 DIESEL (70) 5.3L V8 GAS (10) 6.2L V8 GAS (8) Any Body Style Crew Cab Pickup (21) Any Submodel AT4X (5) Denali Ultimate (7) SLT (12) Elevation (15) Denali (16) AT4 (34)

Below you can see a distribution of the fuel-ups with 20 outliers (2.15%) removed.

Following shows the average MPG of each of the 89 vehicles in the system.

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• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 11 Fuel-ups

  Property of Cwfike

• 25.2 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2024 • 15 Fuel-ups

  Property of mrigot

• 22.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 11 Fuel-ups

  Property of danquenell

• 24.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2024 • 23 Fuel-ups

  Property of nbomar1

• 13.8 Avg MPG

• Sierra 1500 Denali

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Mar 2024 • 5 Fuel-ups

  Property of blancas

• 14.5 Avg MPG

• White Denali 1500

  2024 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jan 2024 • 16 Fuel-ups

  Property of rabowen09

• 19.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 13 Fuel-ups

  Property of at4x

• 23.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 15 Fuel-ups

  Property of jonathan4martin

• 22.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2023 • 32 Fuel-ups

  Property of DJBeggs

• 26.6 Avg MPG

• Sierra

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 5 Fuel-ups

  Property of mythos2005

• 17.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 16 Fuel-ups

  Property of lhsmith

• 19.3 Avg MPG

• The Beast

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 7 Fuel-ups

  Property of hydguy

• 18.6 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 15 Fuel-ups

  Property of dotmyl

• 23.6 Avg MPG

• PCM-Terry

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2023 • 29 Fuel-ups

  Property of TBCooper

• 25.3 Avg MPG

• Mike’s 2024 Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2023 • 18 Fuel-ups

  Property of Mikecompton

• 22.2 Avg MPG

• GMC Sierra 1500 3.0L Diesel

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 27 Fuel-ups

  Property of massey3090

• 23.1 Avg MPG

• Hoyt’s 2024 GMC 1500 Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 12 Fuel-ups

  Property of Texasoffshore

• 23.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2023 • 4 Fuel-ups

  Property of DaveMSEE

• 21.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2023 • 17 Fuel-ups

  Property of kellenjean

• 24.4 Avg MPG

• 2024 Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 6 Fuel-ups

  Property of MSH00

• 20.8 Avg MPG

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