Based on data from 262 vehicles, 4,815 fuel-ups and 1,891,513 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.78 with a 0.17 MPG margin of error.

Any Engine Type 2.7L L4 GAS (9) 3.0L L6 DIESEL (199) 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 (53) AT4 (81)

Below you can see a distribution of the fuel-ups with 31 outliers (0.64%) removed.

Following shows the average MPG of each of the 262 vehicles in the system.

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• The Beast

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 31 Fuel-ups

  Property of hydguy

• 17.6 Avg MPG

• MyGMC1500

  2024 GMC Sierra 1500 Denali Ultimate 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 24 Fuel-ups

  Property of msgr

• 19.1 Avg MPG

• 24 Sierra

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Crew Cab Pickup
  Added May 2024 • 31 Fuel-ups

  Property of sdbeery

• 27.7 Avg MPG

• GMC

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2023 • 56 Fuel-ups

  Property of Trones

• 24.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
  Added Mar 2024 • 67 Fuel-ups

  Property of john1cleve

• 17.9 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed
  Added Aug 2024 • 21 Fuel-ups

  Property of Chmassey83

• 17.8 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Apr 2024 • 23 Fuel-ups

  Property of Chad08

• 20.5 Avg MPG

• Sierra

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 42 Fuel-ups

  Property of mythos2005

• 17.7 Avg MPG

• 24 GMC 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jun 2024 • 33 Fuel-ups

  Property of Grunnsetning

• 20.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Feb 2024 • 28 Fuel-ups

  Property of Cwfike

• 25.6 Avg MPG

• My Sierra 1500

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

  Property of jdavis3791

• 23.3 Avg MPG

• Sierra SLT

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 51 Fuel-ups

  Property of duswin

• 18.8 Avg MPG

• My Sierra 1500

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

  Property of Penguinrunner21

• 25.9 Avg MPG

• Sierra 1500 LZ0

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

  Property of aak4061

• 26.1 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed
  Added May 2024 • 22 Fuel-ups

  Property of Milwaukean

• 19.5 Avg MPG

• My Sierra 1500

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

  Property of Erickson85

• 22.4 Avg MPG

• X31 Sierra 1500

  2024 GMC Sierra 1500 Pro 5.3L V8 GAS Automatic 10 Speed
  Added Oct 2024 • 9 Fuel-ups

  Property of mikecap67

• 16.8 Avg MPG

• 2024 GMC Sierra 1500 Denali

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

  Property of sdkt

• 21.7 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed
  Added Aug 2024 • 7 Fuel-ups

  Property of StevenMcCaff

• 24.2 Avg MPG

• AT4X AEV

  2024 GMC Sierra 1500 AT4X 6.2L V8 GAS Automatic 10 Speed
  Added Sep 2024 • 26 Fuel-ups

  Property of Sheepdog78

• 13.1 Avg MPG

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