Based on data from 53 vehicles, 624 fuel-ups and 228,601 miles of driving, the 2024 GMC Sierra 2500 HD gets a combined Avg MPG of 14.05 with a 0.23 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (48) 6.6L V8 GAS (4) V8 DIESEL (1) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (8) Any Submodel SLE (2) Pro (2) SLT (6) Denali (9) Denali Ultimate (13) AT4 (20) Other (1)

Below you can see a distribution of the fuel-ups with 13 outliers (2.04%) removed.

Following shows the average MPG of each of the 53 vehicles in the system.

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• Bolt

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Mar 2024 • 7 Fuel-ups

  Property of dntharrison

• 9.8 Avg MPG

• Sammy

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

  Property of bburv

• 16.2 Avg MPG

• Gmc2500

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed Standard Cab Pickup
  Added Jan 2024 • 12 Fuel-ups

  Property of bigbones2429

• 10.8 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

• myGMC

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

  Property of iPCFX

• 14.7 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

• Beast 3.0

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

  Property of BikingDerek

• 13.6 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

• Grey Ghost

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

  Property of wondergeek

• 13.9 Avg MPG

• My Sierra 2500 HD

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

  Property of BenWeaver

• 15.0 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 Pro 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 8 Fuel-ups

  Property of mikejstanton

• 11.5 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

• 2024 Sierra Denali 2500 HD

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

  Property of ccc2511

• 15.0 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

• Sierra 2500 HD Ultimate

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

  Property of flymhi

• 14.1 Avg MPG

• GMC Sierra 2500 HD 2024

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 15 Fuel-ups

  Property of markaZ

• 11.7 Avg MPG

• AT4

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 36 Fuel-ups

  Property of MEMatta

• 16.1 Avg MPG

• Novelty GMC 2500 HD AT4

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

  Property of Novelty57

• 14.5 Avg MPG

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