Based on data from 60 vehicles, 764 fuel-ups and 277,267 miles of driving, the 2024 GMC Sierra 2500 HD gets a combined Avg MPG of 13.96 with a 0.22 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (52) 6.6L V8 GAS (7) V8 DIESEL (1) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (8) Any Submodel Pro (2) SLE (4) SLT (6) Denali (9) Denali Ultimate (13) AT4 (25) Other (1)

Below you can see a distribution of the fuel-ups with 5 outliers (0.65%) removed.

Following shows the average MPG of each of the 60 vehicles in the system.

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• My Sierra 2500 HD

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

  Property of dr-hoo

• 11.1 Avg MPG

• Doc Holliday

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 30 Fuel-ups

  Property of mvprealestate

• 13.5 Avg MPG

• Gmc2500

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed Standard Cab Pickup
  Added Jan 2024 • 15 Fuel-ups

  Property of bigbones2429

• 10.9 Avg MPG

• Bolt

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2024 • 19 Fuel-ups

  Property of dntharrison

• 10.0 Avg MPG

• Batmobile III

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 23 Fuel-ups

  Property of Rocinante1

• 15.8 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Dec 2023 • 22 Fuel-ups

  Property of cmmsweet

• 13.3 Avg MPG

• Sierra 2500 HD

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

  Property of CUtiger95

• 16.5 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 • 5 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 • 32 Fuel-ups

  Property of MarkY3130

• 13.9 Avg MPG

• AT4

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 39 Fuel-ups

  Property of MEMatta

• 16.2 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 13 Fuel-ups

  Property of Joshua1120

• 14.0 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2024 • 24 Fuel-ups

  Property of jspeck29

• 15.1 Avg MPG

• GMC Sierra 2500 HD 2024

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 17 Fuel-ups

  Property of markaZ

• 11.9 Avg MPG

• Heavy D

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2024 • 21 Fuel-ups

  Property of MrScubaBHT

• 15.2 Avg MPG

• GMC 2500 Denali

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added May 2023 • 37 Fuel-ups

  Property of eclipse5302

• 12.0 Avg MPG

• My Sierra 2500 HD

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

  Property of jmcnally15

• 18.4 Avg MPG

• My Sierra 2500 HD

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

  Property of HSimpC03

• 12.2 Avg MPG

• 2024 Sierra Denali 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 28 Fuel-ups

  Property of ccc2511

• 15.1 Avg MPG

• myGMC

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 32 Fuel-ups

  Property of iPCFX

• 14.7 Avg MPG

• Sierra 2500 HD Ultimate

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 34 Fuel-ups

  Property of flymhi

• 14.1 Avg MPG

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