Based on data from 297 vehicles, 6,472 fuel-ups and 2,495,274 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.32 with a 0.15 MPG margin of error.

Any Engine Type 2.7L L4 GAS (9) 3.0L L6 DIESEL (217) 5.3L V8 GAS (40) 6.2L V8 GAS (31) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (1) Crew Cab Pickup (53) Any Submodel SLE (4) Pro (6) Denali Ultimate (20) AT4X (24) SLT (39) Denali (56) Elevation (59) AT4 (89)

Below you can see a distribution of the fuel-ups with 49 outliers (0.75%) removed.

Following shows the average MPG of each of the 297 vehicles in the system.

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• My Sierra 1500

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 57 Fuel-ups

  Property of agbeyer

• 27.8 Avg MPG

• Silverfish

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2024 • 5 Fuel-ups

  Property of Oky777

• 26.6 Avg MPG

• My Sierra 1500

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

  Property of Lma2294

• 21.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
  Added Aug 2024 • 32 Fuel-ups

  Property of Chmassey83

• 17.3 Avg MPG

• 2024 GMC

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Jan 2024 • 59 Fuel-ups

  Property of towens

• 17.0 Avg MPG

• Storm

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 33 Fuel-ups

  Property of rbarnett0019

• 22.8 Avg MPG

• My Sierra AT4

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

  Property of AT4MPG

• 24.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 58 Fuel-ups

  Property of revmik

• 22.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 19 Fuel-ups

  Property of MBarone

• 21.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 33 Fuel-ups

  Property of wocampb

• 22.3 Avg MPG

• Joe's Red Sierra

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
  Added May 2024 • 32 Fuel-ups

  Property of JoeThreet

• 15.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 10 Speed
  Added Jan 2025 • 4 Fuel-ups

  Property of PepeOrigel

• 17.8 Avg MPG

• My Sierra 1500

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

  Property of anngocta

• 24.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 36 Fuel-ups

  Property of cdhallsr

• 16.3 Avg MPG

• Juan Carlos

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Dec 2023 • 71 Fuel-ups

  Property of prmks1234

• 15.9 Avg MPG

• Big White

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Oct 2023 • 127 Fuel-ups

  Property of st333

• 15.7 Avg MPG

• Hoyt’s 2024 GMC 1500 Denali

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 59 Fuel-ups

  Property of Texasoffshore

• 22.9 Avg MPG

• My Sierra 1500

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

  Property of jflamang

• 23.1 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2024 • 11 Fuel-ups

  Property of aaronjcraven

• 24.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jun 2024 • 39 Fuel-ups

  Property of Gazsaver

• 23.8 Avg MPG

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