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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• Whitey

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 27 Fuel-ups

  Property of btango05

• 21.8 Avg MPG

• 24 Denali 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 44 Fuel-ups

  Property of rdurbin

• 24.3 Avg MPG

• Patton

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

  Property of ibmiked

• 27.7 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 12 Fuel-ups

  Property of A_Couse

• 22.9 Avg MPG

• 2024 Sierra 1500 LZO Duramax

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

  Property of grahamjames440

• 25.7 Avg MPG

• GMC

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
  Added Mar 2024 • 8 Fuel-ups

  Property of Gizmoe

• 17.2 Avg MPG

• 2024 GMC Denali

  2024 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2023 • 26 Fuel-ups

  Property of knapp5

• 17.2 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 27 Fuel-ups

  Property of Cwfike

• 25.6 Avg MPG

• GMC

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

  Property of Irko

• 25.0 Avg MPG

• Dory

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

  Property of jglew82

• 24.0 Avg MPG

• My Sierra 1500 AT4X

  2024 GMC Sierra 1500 AT4X 6.2L V8 GAS Automatic 10 Speed
  Added Aug 2024 • 10 Fuel-ups

  Property of russ9443

• 15.1 Avg MPG

• My Sierra 1500

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

  Property of rpodgorny

• 23.7 Avg MPG

• My Sierra 1500

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

  Property of StretchyGecko

• 21.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 30 Fuel-ups

  Property of Ceagle

• 23.2 Avg MPG

• Storm

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 26 Fuel-ups

  Property of rbarnett0019

• 22.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 6 Fuel-ups

  Property of Casy

• 19.0 Avg MPG

• Sierra 1500

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

  Property of carder4real

• 26.5 Avg MPG

• 2024 Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 18 Fuel-ups

  Property of MSH00

• 21.1 Avg MPG

• 24 Sierra

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Crew Cab Pickup
  Added May 2024 • 29 Fuel-ups

  Property of sdbeery

• 27.7 Avg MPG

• 1500 Denali Ultimate 3.0 Dsl

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

  Property of Favod

• 24.6 Avg MPG

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