Based on data from 261 vehicles, 4,775 fuel-ups and 1,876,055 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 May 2024 • 24 Fuel-ups

  Property of BattleAx09

• 23.7 Avg MPG

• GMC Sierra

  2024 GMC Sierra 1500 SLE 2.7L L4 GAS Automatic 8 Speed Extended Cab Pickup
  Added Jun 2024 • 15 Fuel-ups

  Property of chris15005

• 15.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 32 Fuel-ups

  Property of Thowes

• 24.7 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2023 • 13 Fuel-ups

  Property of DaveMSEE

• 22.2 Avg MPG

• Mike’s 2024 Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2023 • 30 Fuel-ups

  Property of Mikecompton

• 22.2 Avg MPG

• IceBear (GMC)

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Nov 2023 • 54 Fuel-ups

  Property of MrLouers

• 27.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 8 Fuel-ups

  Property of stk21

• 27.2 Avg MPG

• My Sierra 1500 AT4X

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 14 Fuel-ups

  Property of mail4loys

• 14.2 Avg MPG

• My Sierra 1500

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

  Property of StevenMcCaff

• 24.5 Avg MPG

• The Beast

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 30 Fuel-ups

  Property of hydguy

• 17.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 8 Fuel-ups

  Property of cardosi24

• 20.0 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2024 • 6 Fuel-ups

  Property of aaronjcraven

• 24.6 Avg MPG

• 2024 Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Sep 2024 • 6 Fuel-ups

  Property of WydOpen

• 20.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 24 Fuel-ups

  Property of SnRBabyDuraMax

• 17.1 Avg MPG

• Denali 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Mar 2024 • 30 Fuel-ups

  Property of ebhisey

• 27.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 6 Fuel-ups

  Property of Tombo1

• 17.1 Avg MPG

• My Sierra 1500

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

  Property of oldscuts

• 14.8 Avg MPG

• My Sierra 1500

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

  Property of SkipsATFour

• 18.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Pro 2.7L L4 GAS Automatic 8 Speed
  Added Oct 2024 • 3 Fuel-ups

  Property of gmcpro

• 19.1 Avg MPG

• My Sierra 1500

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

  Property of AT4CX9

• 26.4 Avg MPG

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