Based on data from 97 vehicles, 2,604 fuel-ups and 938,029 miles of driving, the 2024 GMC Sierra 2500 HD gets a combined Avg MPG of 13.72 with a 0.13 MPG margin of error.

Any Engine Type 6.6L V8 DIESEL (85) 6.6L V8 GAS (11) V8 DIESEL (1) Any Body Style Standard Cab Pickup (1) Crew Cab Pickup (12) Any Submodel Pro (4) SLE (8) SLT (12) Denali (17) Denali Ultimate (19) AT4 (36) Other (1)

Below you can see a distribution of the fuel-ups with 18 outliers (0.69%) removed.

Following shows the average MPG of each of the 97 vehicles in the system.

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• Truck GMC Sierra

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jun 2023 • 58 Fuel-ups

  Property of MarkY3130

• 13.8 Avg MPG

• Storm

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2024 • 54 Fuel-ups

  Property of Xaositek

• 14.1 Avg MPG

• Sammy 2

  2024 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2024 • 38 Fuel-ups

  Property of bburv

• 15.7 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD SLE 6.6L V8 GAS Automatic 10 Speed
  Added Oct 2024 • 17 Fuel-ups

  Property of jrosprey

• 12.0 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 74 Fuel-ups

  Property of cabraud108

• 11.7 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2024 • 40 Fuel-ups

  Property of acgreen73

• 13.7 Avg MPG

• Sierra 2500 HD Denali Ultimate

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2024 • 43 Fuel-ups

  Property of RebelPlumber

• 15.4 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed
  Added Jul 2024 • 19 Fuel-ups

  Property of WilderFatBoy

• 12.5 Avg MPG

• Big Black

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2023 • 48 Fuel-ups

  Property of Fireman_JB

• 16.7 Avg MPG

• Lance’s truck

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

  Property of southernu

• 12.9 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2024 • 11 Fuel-ups

  Property of Redat42024

• 14.6 Avg MPG

• ‘24 Sierra 2500 HD

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

  Property of 07taco

• 12.1 Avg MPG

• Sierra 2500 HD

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 96 Fuel-ups

  Property of mikejstanton

• 11.2 Avg MPG

• BIG RED

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed Crew Cab Pickup
  Added Jul 2024 • 93 Fuel-ups

  Property of Thekwthemost

• 10.4 Avg MPG

• My Sierra 2500 HD

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

  Property of Danm1228

• 10.8 Avg MPG

• My Sierra 2500 HD

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

  Property of slickbrave

• 14.3 Avg MPG

• My Sierra 2500 HD

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

  Property of wilsonam

• 16.1 Avg MPG

• Dalton Sierra 2500 HD

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

  Property of deewhite

• 15.8 Avg MPG

• Dee Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2024 • 38 Fuel-ups

  Property of deewhite

• 12.4 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 • 49 Fuel-ups

  Property of eclipse5302

• 12.4 Avg MPG

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