Based on data from 61 vehicles, 804 fuel-ups and 290,872 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 (53) 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 (26) Other (1)

Below you can see a distribution of the fuel-ups with 5 outliers (0.62%) removed.

Following shows the average MPG of each of the 61 vehicles in the system.

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• 2024 Sierra Denali 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 31 Fuel-ups

  Property of ccc2511

• 15.1 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Apr 2024 • 3 Fuel-ups

  Property of sikk50

• 11.0 Avg MPG

• Truck GMC Sierra

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 33 Fuel-ups

  Property of MarkY3130

• 13.9 Avg MPG

• Novelty GMC 2500 HD AT4

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2024 • 6 Fuel-ups

  Property of Novelty57

• 14.5 Avg MPG

• Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 38 Fuel-ups

  Property of CUtiger95

• 16.6 Avg MPG

• Gmc2500

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed Standard Cab Pickup
  Added Jan 2024 • 16 Fuel-ups

  Property of bigbones2429

• 10.9 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 22 Fuel-ups

  Property of mikejstanton

• 10.8 Avg MPG

• Batmobile III

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 24 Fuel-ups

  Property of Rocinante1

• 15.8 Avg MPG

• AT4

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 40 Fuel-ups

  Property of MEMatta

• 16.2 Avg MPG

• Beast 3.0

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jan 2024 • 12 Fuel-ups

  Property of BikingDerek

• 13.8 Avg MPG

• Sierra 2500 HD Ultimate

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Oct 2023 • 35 Fuel-ups

  Property of flymhi

• 14.1 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD SLE 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 5 Fuel-ups

  Property of HSimpC03

• 12.4 Avg MPG

• Heavy D

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

  Property of MrScubaBHT

• 15.2 Avg MPG

• My Sierra 2500 HD

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

  Property of cmmsweet

• 13.3 Avg MPG

• myGMC

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

  Property of iPCFX

• 14.8 Avg MPG

• My Sierra 2500 HD

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

  Property of rsevn

• 14.0 Avg MPG

• Big Black

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2023 • 23 Fuel-ups

  Property of Fireman_JB

• 16.0 Avg MPG

• Ace

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Dec 2023 • 9 Fuel-ups

  Property of NavyFord

• 16.2 Avg MPG

• 2024 GMC Sierra

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Sep 2023 • 17 Fuel-ups

  Property of stevenlpennington

• 14.1 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Feb 2024 • 12 Fuel-ups

  Property of Droth16

• 16.2 Avg MPG

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