Based on data from 55 vehicles, 669 fuel-ups and 245,319 miles of driving, the 2024 GMC Sierra 2500 HD gets a combined Avg MPG of 14.05 with a 0.22 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (49) 6.6L V8 GAS (5) V8 DIESEL (1) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (8) Any Submodel Pro (2) SLE (3) SLT (6) Denali (9) Denali Ultimate (13) AT4 (21) Other (1)

Below you can see a distribution of the fuel-ups with 13 outliers (1.91%) removed.

Following shows the average MPG of each of the 55 vehicles in the system.

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• Doc Holliday

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 29 Fuel-ups

  Property of mvprealestate

• 13.5 Avg MPG

• Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 35 Fuel-ups

  Property of CUtiger95

• 16.6 Avg MPG

• GMC Sierra 2500 HD 2024

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 16 Fuel-ups

  Property of markaZ

• 12.0 Avg MPG

• 2024 GMC 2500HD AT4

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Feb 2024 • 4 Fuel-ups

  Property of gsxrah

• 16.3 Avg MPG

• Truck GMC Sierra

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 30 Fuel-ups

  Property of MarkY3130

• 13.9 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 GAS Automatic 10 Speed
  Added Mar 2024 • 4 Fuel-ups

  Property of JessterPCM1380

• 11.2 Avg MPG

• Ultimate

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2023 • 27 Fuel-ups

  Property of gcamp666

• 15.4 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2024 • 10 Fuel-ups

  Property of Droth16

• 16.2 Avg MPG

• AT4

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 37 Fuel-ups

  Property of MEMatta

• 16.2 Avg MPG

• Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 13 Fuel-ups

  Property of bikeguru

• 16.7 Avg MPG

• Bolt

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2024 • 8 Fuel-ups

  Property of dntharrison

• 9.6 Avg MPG

• Batmobile III

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 20 Fuel-ups

  Property of Rocinante1

• 15.8 Avg MPG

• 2024 GMC Sierra 2500 HD

  2024 GMC Sierra 2500 HD SLE 6.6L V8 GAS
  Added Oct 2023 • 15 Fuel-ups

  Property of iragobat

• 11.4 Avg MPG

• GMC Sierra 2500 HD

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2024 • 31 Fuel-ups

  Property of Dadowl

• 9.7 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2024 • 7 Fuel-ups

  Property of daviddennis21

• 12.7 Avg MPG

• Heavy D

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2024 • 20 Fuel-ups

  Property of MrScubaBHT

• 15.3 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 12 Fuel-ups

  Property of rsevn

• 14.0 Avg MPG

• Ace

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 7 Fuel-ups

  Property of NavyFord

• 15.9 Avg MPG

• My Sierra 2500 HD Denali Ultimate

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 12 Fuel-ups

  Property of fox454

• 13.3 Avg MPG

• 2500 HD AT4X

  2024 GMC Sierra 2500 HD AT4X AEV V8 DIESEL
  Added Mar 2024 • 4 Fuel-ups

  Property of MYOR91ZV

• 14.0 Avg MPG

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