Based on data from 261 vehicles, 4,773 fuel-ups and 1,875,283 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.79 with a 0.18 MPG margin of error.

Any Engine Type 2.7L L4 GAS (9) 3.0L L6 DIESEL (198) 5.3L V8 GAS (29) 6.2L V8 GAS (25) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (1) Crew Cab Pickup (42) Any Submodel SLE (4) Pro (6) Denali Ultimate (18) AT4X (22) SLT (33) Denali (45) Elevation (52) AT4 (81)

Below you can see a distribution of the fuel-ups with 31 outliers (0.65%) removed.

Following shows the average MPG of each of the 261 vehicles in the system.

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• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 4 Fuel-ups

  Property of frizzyphil

• 25.1 Avg MPG

• Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2024 • 23 Fuel-ups

  Property of dquapp

• 29.6 Avg MPG

• Red Rex

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

  Property of Devothekid

• 23.3 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Pro 5.3L V8 GAS Automatic 10 Speed
  Added Jun 2024 • 48 Fuel-ups

  Property of mdtexan40

• 16.4 Avg MPG

• Sierra

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 34 Fuel-ups

  Property of jwiedrick

• 17.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 20 Fuel-ups

  Property of AustinAg

• 23.4 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2024 • 19 Fuel-ups

  Property of winger46146

• 23.3 Avg MPG

• Sierra

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 41 Fuel-ups

  Property of mythos2005

• 17.7 Avg MPG

• AT4

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 33 Fuel-ups

  Property of SilverSixteen

• 13.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 41 Fuel-ups

  Property of kylethetech

• 28.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2024 • 3 Fuel-ups

  Property of Leibhart1

• 22.5 Avg MPG

• The Snowman

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 24 Fuel-ups

  Property of GreenbeanZ28

• 19.3 Avg MPG

• Sierra 1500 BabyMax

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 3 Fuel-ups

  Property of MP-OR

• 27.2 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 14 Fuel-ups

  Property of Goulet907

• 14.0 Avg MPG

• Tiffany

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 41 Fuel-ups

  Property of biglew55

• 19.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 7 Fuel-ups

  Property of taguy

• 25.8 Avg MPG

• 24 SLT Duramax 4x4

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2024 • 33 Fuel-ups

  Property of kickingprop

• 25.0 Avg MPG

• My Sierra 1500

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

  Property of firemedic488

• 27.8 Avg MPG

• GMC AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2023 • 35 Fuel-ups

  Property of Bill8392

• 23.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 23 Fuel-ups

  Property of anngocta

• 24.4 Avg MPG

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