Based on data from 58 vehicles, 5,202 fuel-ups and 1,730,366 miles of driving, the 2017 GMC Sierra 2500 HD gets a combined Avg MPG of 13.38 with a 0.09 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (11) 6.6L V8 DIESEL (47) Any Body Style Sport Utility (1) Crew Cab Pickup (11) Any Submodel Base (3) SLE (6) SLT (12) Denali (37)

Below you can see a distribution of the fuel-ups with 89 outliers (1.68%) removed.

Following shows the average MPG of each of the 58 vehicles in the system.

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• GMC 2017 Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2018 • 410 Fuel-ups

  Property of Risser

• 12.7 Avg MPG

• 2017 Denali

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2022 • 92 Fuel-ups

  Property of tritz4

• 11.7 Avg MPG

• Sierra 2500 HD Denali

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2019 • 157 Fuel-ups

  Property of ellisjte

• 13.3 Avg MPG

• My Sierra 2500 HD Denali

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2021 • 127 Fuel-ups

  Property of Zane62

• 15.5 Avg MPG

• Denali Duramax

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2021 • 68 Fuel-ups

  Property of Neely25

• 18.1 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
  Added Nov 2018 • 416 Fuel-ups

  Property of brianjkmorgan

• 12.6 Avg MPG

• Ed's GMC 2500HD Deinali Club Cab

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2017 • 211 Fuel-ups

  Property of HntngTrout

• 12.3 Avg MPG

• 2017 Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2019 • 51 Fuel-ups

  Property of TheDon81

• 14.0 Avg MPG

• 2017 GMC Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
  Added May 2023 • 42 Fuel-ups

  Property of hockeyguy22

• 11.6 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2017 • 491 Fuel-ups

  Property of Paul303

• 15.3 Avg MPG

• Max

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2021 • 77 Fuel-ups

  Property of harleydude63

• 12.7 Avg MPG

• BMax HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Sport Utility
  Added Apr 2017 • 118 Fuel-ups

  Property of CowboyX5D

• 13.5 Avg MPG

• Denali HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2024 • 5 Fuel-ups

  Property of eddieandlinzi

• 15.0 Avg MPG

• Sierra 2500 HD 2017

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2017 • 434 Fuel-ups

  Property of lsfreezn

• 13.7 Avg MPG

• 2017 Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 383 Fuel-ups

  Property of crjones

• 13.7 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
  Added Sep 2021 • 41 Fuel-ups

  Property of rbeelee

• 13.2 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2020 • 33 Fuel-ups

  Property of Garrisonlorenz

• 14.1 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
  Added Aug 2021 • 107 Fuel-ups

  Property of zap_25

• 11.4 Avg MPG

• Hellgate Wind

  2017 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
  Added Sep 2021 • 106 Fuel-ups

  Property of Moynaclan

• 11.1 Avg MPG

• 2017 Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2021 • 38 Fuel-ups

  Property of russman27

• 15.8 Avg MPG

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