Based on data from 96 vehicles, 1,068 fuel-ups and 414,021 miles of driving, the 2024 GMC Sierra 1500 gets a combined Avg MPG of 21.78 with a 0.36 MPG margin of error.

Any Engine Type 2.7L L4 GAS (1) 3.0L L6 DIESEL (77) 5.3L V8 GAS (10) 6.2L V8 GAS (8) Any Body Style Crew Cab Pickup (21) Any Submodel AT4X (5) Denali Ultimate (8) SLT (13) Denali (16) Elevation (17) AT4 (37)

Below you can see a distribution of the fuel-ups with 22 outliers (2.02%) removed.

Following shows the average MPG of each of the 96 vehicles in the system.

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• Whitey

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

  Property of btango05

• 23.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Elevation 5.3L V8 GAS Automatic 8 Speed
  Added Dec 2023 • 6 Fuel-ups

  Property of TexazGuy

• 14.2 Avg MPG

• GMC3

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2024 • 3 Fuel-ups

  Property of JJoeL

• 25.1 Avg MPG

• Tiffany

  2024 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 6 Fuel-ups

  Property of biglew55

• 18.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 8 Fuel-ups

  Property of wocampb

• 22.0 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 16 Fuel-ups

  Property of JaysGMC

• 22.5 Avg MPG

• My Sierra 1500

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

  Property of taylorwarren31

• 20.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 9 Fuel-ups

  Property of dscogg1945

• 22.3 Avg MPG

• The Snowman

  2024 GMC Sierra 1500 AT4 6.2L V8 GAS Automatic 10 Speed Crew Cab Pickup
  Added Mar 2024 • 7 Fuel-ups

  Property of GreenbeanZ28

• 19.0 Avg MPG

• My Sierra 1500

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

  Property of kizzer70

• 25.4 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Nov 2023 • 16 Fuel-ups

  Property of JohnnyUtah333

• 22.5 Avg MPG

• Sterling AT4X

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Oct 2023 • 16 Fuel-ups

  Property of kbaum

• 22.0 Avg MPG

• 2024 Sierra 1500 AT4 3.0L

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 4 Fuel-ups

  Property of travisb1420

• 24.2 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 Denali Ultimate 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 5 Fuel-ups

  Property of Silcozot

• 27.3 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Dec 2023 • 6 Fuel-ups

  Property of redraptor89

• 24.4 Avg MPG

• 2024 GMC Sierra 1500 AT4X

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 6 Fuel-ups

  Property of JaviTX

• 18.3 Avg MPG

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