Based on data from 329 vehicles, 9,875 fuel-ups and 3,784,484 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.23 with a 0.12 MPG margin of error.

Any Engine Type 2.7L L4 GAS (14) 3.0L L6 DIESEL (233) 5.3L V8 GAS (44) 6.2L V8 GAS (38) Any Body Style Extended Cab Pickup (2) Crew Cab Pickup (60) Any Submodel SLE (4) Pro (8) Denali Ultimate (22) AT4X (29) SLT (41) Denali (62) Elevation (65) AT4 (98)

Below you can see a distribution of the fuel-ups with 72 outliers (0.72%) removed.

Following shows the average MPG of each of the 329 vehicles in the system.

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• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jul 2024 • 46 Fuel-ups

  Property of bshep355

• 23.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 10 Speed
  Added Jun 2024 • 66 Fuel-ups

  Property of tampayachtsales

• 15.2 Avg MPG

• Whitey

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 45 Fuel-ups

  Property of btango05

• 23.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2023 • 82 Fuel-ups

  Property of DJBeggs

• 27.0 Avg MPG

• GMC Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jan 2025 • 85 Fuel-ups

  Property of onegrand

• 21.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 42 Fuel-ups

  Property of Cash9410

• 23.1 Avg MPG

• 24 GMC Bob

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed
  Added Oct 2024 • 31 Fuel-ups

  Property of BascoBob

• 23.7 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 25 Fuel-ups

  Property of jflamang

• 24.5 Avg MPG

• 2024 AT4

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added May 2024 • 54 Fuel-ups

  Property of RandomUser8726

• 24.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2024 • 38 Fuel-ups

  Property of Milwaukean

• 18.5 Avg MPG

• GMC

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2024 • 15 Fuel-ups

  Property of redrelyt12

• 22.0 Avg MPG

• Sierra

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

  Property of jwiedrick

• 17.1 Avg MPG

• Cerberus

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Dec 2024 • 51 Fuel-ups

  Property of Woobeys504

• 19.4 Avg MPG

• My Sierra 1500

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

  Property of stk21

• 26.4 Avg MPG

• 2024 Sierra 1500 SLT

  2024 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 63 Fuel-ups

  Property of infonut

• 15.5 Avg MPG

• My Sierra 1500

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

  Property of stick8373

• 27.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 42 Fuel-ups

  Property of Chad08

• 20.0 Avg MPG

• Juan Carlos

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed
  Added Dec 2023 • 94 Fuel-ups

  Property of prmks1234

• 13.9 Avg MPG

• PCM-Terry

  2024 GMC Sierra 1500 Denali 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2023 • 135 Fuel-ups

  Property of TBCooper

• 23.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2025 • 32 Fuel-ups

  Property of therealchuckd

• 24.8 Avg MPG

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