Based on data from 57 vehicles, 5,343 fuel-ups and 1,780,763 miles of driving, the 2017 GMC Sierra 2500 HD gets a combined Avg MPG of 13.37 with a 0.09 MPG margin of error.

Any Engine Type 6.0L V8 FLEX (11) 6.6L V8 DIESEL (46) Any Body Style Sport Utility (1) Crew Cab Pickup (10) Any Submodel Base (3) SLE (5) SLT (13) Denali (36)

Below you can see a distribution of the fuel-ups with 92 outliers (1.69%) removed.

Following shows the average MPG of each of the 57 vehicles in the system.

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• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2017 • 127 Fuel-ups

  Property of Rocinante1

• 15.5 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 112 Fuel-ups

  Property of bluebandit78

• 16.1 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2018 • 42 Fuel-ups

  Property of Alec55

• 10.6 Avg MPG

• Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2018 • 12 Fuel-ups

  Property of bmlfire

• 15.0 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2017 • 33 Fuel-ups

  Property of kellycox7

• 15.9 Avg MPG

• GMC Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2017 • 37 Fuel-ups

  Property of jpower9

• 13.6 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2017 • 27 Fuel-ups

  Property of jake9

• 14.9 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2018 • 15 Fuel-ups

  Property of jameshaley4

• 16.5 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
  Added Dec 2017 • 20 Fuel-ups

  Property of amr091078

• 6.7 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 30 Fuel-ups

  Property of Boerklong

• 15.6 Avg MPG

• GMC Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2018 • 15 Fuel-ups

  Property of MelloMel1962

• 16.8 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jun 2017 • 13 Fuel-ups

  Property of Cooper17

• 14.0 Avg MPG

• My Sierra 2500 HD

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

  Property of pmoya9

• 16.5 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Apr 2017 • 20 Fuel-ups

  Property of Palec

• 15.8 Avg MPG

• My Sierra 2500 HD

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

  Property of 17Denali2500HD

• 14.5 Avg MPG

• My Sierra 2500 HD

  2017 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2017 • 13 Fuel-ups

  Property of pbasnight

• 15.1 Avg MPG

• 2015 Passat

  2017 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Mar 2017 • 39 Fuel-ups

  Property of Boerklong

• 42.1 Avg MPG

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