Based on data from 97 vehicles, 2,499 fuel-ups and 897,953 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 (0.72%) removed.

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

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• My Sierra 2500 HD

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

  Property of Mazerk

• 16.1 Avg MPG

• Dee Sierra 2500 HD

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

  Property of deewhite

• 12.3 Avg MPG

• Mr Truck 2500 HD

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

  Property of Woofie2

• 14.5 Avg MPG

• Lance’s truck

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

  Property of southernu

• 12.3 Avg MPG

• myGMC

  2024 GMC Sierra 2500 HD Denali Ultimate 6.6L V8 DIESEL Automatic 10 Speed
  Added Jul 2023 • 70 Fuel-ups

  Property of iPCFX

• 15.1 Avg MPG

• Sierra 2500 HD

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 94 Fuel-ups

  Property of mikejstanton

• 11.2 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD SLE 6.6L V8 GAS Automatic 10 Speed
  Added Apr 2024 • 26 Fuel-ups

  Property of HSimpC03

• 12.2 Avg MPG

• Batmobile III

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

  Property of Rocinante1

• 15.5 Avg MPG

• 2024 Sierra Denali 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Aug 2023 • 54 Fuel-ups

  Property of ccc2511

• 15.0 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Nov 2024 • 11 Fuel-ups

  Property of Danm1228

• 10.9 Avg MPG

• Gmc2500

  2024 GMC Sierra 2500 HD Pro 6.6L V8 GAS Automatic 10 Speed Standard Cab Pickup
  Added Jan 2024 • 44 Fuel-ups

  Property of bigbones2429

• 11.4 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2024 • 37 Fuel-ups

  Property of acgreen73

• 13.5 Avg MPG

• Sierra 2500 HD

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

  Property of vitman7

• 13.7 Avg MPG

• Dalton Sierra 2500 HD

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

  Property of deewhite

• 15.8 Avg MPG

• 2500 HD AT4X

  2024 GMC Sierra 2500 HD AT4X AEV V8 DIESEL
  Added Mar 2024 • 23 Fuel-ups

  Property of MYOR91ZV

• 14.0 Avg MPG

• Big Black

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added Sep 2023 • 46 Fuel-ups

  Property of Fireman_JB

• 16.6 Avg MPG

• My Sierra 2500 HD

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

  Property of daviddennis21

• 13.8 Avg MPG

• Sammy 2

  2024 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2024 • 36 Fuel-ups

  Property of bburv

• 15.7 Avg MPG

• My Sierra 2500 HD

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

  Property of Oufnacdm

• 12.8 Avg MPG

• My Sierra 2500 HD

  2024 GMC Sierra 2500 HD AT4 6.6L V8 DIESEL Automatic 10 Speed
  Added May 2024 • 43 Fuel-ups

  Property of jspeck29

• 15.2 Avg MPG

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