Based on data from 297 vehicles, 6,483 fuel-ups and 2,499,441 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 (218) 5.3L V8 GAS (40) 6.2L V8 GAS (31) Any Body Style Standard Cab Pickup (1) Extended Cab Pickup (1) Crew Cab Pickup (54) Any Submodel SLE (4) Pro (6) Denali Ultimate (21) 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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• XXXX

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

  Property of bookonmarx

• 27.0 Avg MPG

• My Sierra 1500

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

  Property of akirkendoll

• 17.6 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 22 Fuel-ups

  Property of lhsmith

• 19.2 Avg MPG

• Gandalf The GMC

  2024 GMC Sierra 1500 Elevation 3.0L L6 DIESEL Automatic 8 Speed
  Added Mar 2024 • 7 Fuel-ups

  Property of GandalftheGMC

• 23.0 Avg MPG

• My Sierra 1500

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

  Property of Gameplayer

• 27.0 Avg MPG

• My Sierra 1500

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

  Property of Stumpy26

• 26.6 Avg MPG

• Silver

  2024 GMC Sierra 1500 SLT 3.0L L6 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Apr 2024 • 7 Fuel-ups

  Property of Tyryfter

• 25.3 Avg MPG

• My Sierra 1500

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

  Property of jfbecker

• 25.5 Avg MPG

• My Sierra 1500

  2024 GMC Sierra 1500 AT4X 3.0L L6 DIESEL Automatic 10 Speed
  Added Jan 2024 • 15 Fuel-ups

  Property of at4x

• 23.7 Avg MPG

• 2024 AT4

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

  Property of chaseydog

• 23.8 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

• 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 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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