Based on data from 27 vehicles, 2,756 fuel-ups and 947,331 miles of driving, the 2017 GMC Sierra 3500 HD gets a combined Avg MPG of 13.05 with a 0.14 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (1) 6.6L V8 DIESEL (25) Any Body Style Crew Cab Pickup (5) Cab & Chassis (1) Extended Crew Cab Pickup (1) Any Submodel SLE (1) Base (2) SLT (5) Denali (18) Other (1)

Below you can see a distribution of the fuel-ups with 35 outliers (1.25%) removed.

Following shows the average MPG of each of the 27 vehicles in the system.

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• TNTSGMC

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2020 • 168 Fuel-ups

  Property of TNTSGMC

• 14.5 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 249 Fuel-ups

  Property of Shrekviper

• 11.8 Avg MPG

• Truck 26 LG

  2017 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed Cab & Chassis
  Added Jun 2020 • 285 Fuel-ups

  Property of gprp

• 12.2 Avg MPG

• Duramax

  2017 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2024 • 5 Fuel-ups

  Property of candrews1990

• 16.7 Avg MPG

• GMC Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2017 • 341 Fuel-ups

  Property of ronilm89

• 11.9 Avg MPG

• GMC 3500HD

  2017 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2021 • 82 Fuel-ups

  Property of RHundley

• 12.9 Avg MPG

• Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2021 • 137 Fuel-ups

  Property of sierraduramaxdan

• 14.6 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
  Added Dec 2020 • 116 Fuel-ups

  Property of weflene

• 11.7 Avg MPG

• Pepe Le Pew

  2017 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2017 • 108 Fuel-ups

  Property of djruch

• 14.7 Avg MPG

• Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2019 • 176 Fuel-ups

  Property of alex10haken

• 15.6 Avg MPG

• white GMC

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2017 • 122 Fuel-ups

  Property of audihan

• 17.7 Avg MPG

• Smoke

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Extended Crew Cab Pickup
  Added Jul 2017 • 261 Fuel-ups

  Property of Goldwing

• 12.4 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2022 • 20 Fuel-ups

  Property of zhazell

• 12.7 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2022 • 20 Fuel-ups

  Property of deanhaley

• 10.1 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2022 • 7 Fuel-ups

  Property of Rigger1

• 20.5 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2022 • 9 Fuel-ups

  Property of Gavincent1

• 7.6 Avg MPG

• My Sierra 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 202 Fuel-ups

  Property of Toneaero

• 13.0 Avg MPG

• Blanca

  2017 GMC Sierra 3500 HD Custom Submodel Automatic 6 Speed
  Added Aug 2020 • 114 Fuel-ups

  Property of boaz

• 14.7 Avg MPG

• Denali 3500 HD

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 178 Fuel-ups

  Property of kesnoddy

• 14.2 Avg MPG

• Brut

  2017 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jun 2017 • 89 Fuel-ups

  Property of shkspr-co

• 10.8 Avg MPG

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