Based on data from 82 vehicles, 7,743 fuel-ups and 2,553,162 miles of driving, the 2016 GMC Sierra 2500 HD gets a combined Avg MPG of 13.28 with a 0.08 MPG margin of error.

Any Engine Type 6.0L V8 CNG (3) 6.0L V8 FLEX (12) 6.0L V8 GAS (4) 6.6L V8 DIESEL (63) Any Body Style Standard Cab Pickup (2) Crew Cab Pickup (25) Cab & Chassis - Crew Cab (1) Any Submodel SLE (6) Base (7) SLT (23) Denali (46)

Below you can see a distribution of the fuel-ups with 76 outliers (0.97%) removed.

Following shows the average MPG of each of the 82 vehicles in the system.

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• Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2016 • 194 Fuel-ups

  Property of DenaliDude

• 13.4 Avg MPG

• Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2019 • 740 Fuel-ups

  Property of Thekwthemost

• 11.1 Avg MPG

• GMC 2500HD

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2019 • 262 Fuel-ups

  Property of ColdSteel120

• 15.7 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Oct 2017 • 204 Fuel-ups

  Property of AZboy

• 17.6 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2021 • 76 Fuel-ups

  Property of ddemey

• 13.7 Avg MPG

• Duramax

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2020 • 52 Fuel-ups

  Property of charsha

• 12.4 Avg MPG

• GMC

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Oct 2017 • 447 Fuel-ups

  Property of Motor10745

• 11.4 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD Denali 6.0L V8 CNG Automatic 6 Speed
  Added Apr 2019 • 213 Fuel-ups

  Property of lazpal

• 13.4 Avg MPG

• GMC Sierra Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2018 • 327 Fuel-ups

  Property of lyfsart

• 13.6 Avg MPG

• 2016 GMC Sierra 2500 HD Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Mar 2016 • 227 Fuel-ups

  Property of wuv2fsh

• 12.6 Avg MPG

• Big Chrome

  2016 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
  Added Mar 2016 • 276 Fuel-ups

  Property of swethog

• 11.8 Avg MPG

• Monster Truck

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2019 • 98 Fuel-ups

  Property of paintandswim09

• 15.6 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2023 • 9 Fuel-ups

  Property of Jewsh

• 14.9 Avg MPG

• 2016Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Sep 2022 • 118 Fuel-ups

  Property of kruse

• 14.1 Avg MPG

• Ruby

  2016 GMC Sierra 2500 HD Denali 6.0L V8 FLEX Automatic 6 Speed
  Added Nov 2021 • 58 Fuel-ups

  Property of mhowton

• 11.3 Avg MPG

• Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2017 • 206 Fuel-ups

  Property of wrb15wrx

• 16.9 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
  Added Apr 2024 • 3 Fuel-ups

  Property of scauseyws

• 6.6 Avg MPG

• My Sierra 2500

  2016 GMC Sierra 2500 HD 6.0L V8 GAS Automatic 6 Speed
  Added Aug 2016 • 270 Fuel-ups

  Property of billmc40

• 11.4 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed
  Added Mar 2018 • 310 Fuel-ups

  Property of unislick

• 12.0 Avg MPG

• Interfor CW290

  2016 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed Crew Cab Pickup
  Added Dec 2020 • 129 Fuel-ups

  Property of SWA939

• 13.9 Avg MPG

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