Based on data from 84 vehicles, 8,077 fuel-ups and 2,650,531 miles of driving, the 2016 GMC Sierra 2500 HD gets a combined Avg MPG of 13.24 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 (65) Any Body Style Standard Cab Pickup (2) Crew Cab Pickup (25) Cab & Chassis - Crew Cab (1) Any Submodel SLE (7) Base (8) SLT (23) Denali (46)

Below you can see a distribution of the fuel-ups with 78 outliers (0.96%) removed.

Following shows the average MPG of each of the 84 vehicles in the system.

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• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2017 • 430 Fuel-ups

  Property of mvfarmboy

• 14.7 Avg MPG

• 2016 Sierra 2500 HD

  2016 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
  Added Jun 2016 • 111 Fuel-ups

  Property of AteTrack

• 12.0 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Nov 2016 • 100 Fuel-ups

  Property of jde5353

• 15.4 Avg MPG

• blue

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added May 2021 • 6 Fuel-ups

  Property of ssmntecrlozz4

• 15.8 Avg MPG

• Denali

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Nov 2016 • 138 Fuel-ups

  Property of crossmanj21

• 14.3 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added Aug 2020 • 13 Fuel-ups

  Property of AMadera

• 12.5 Avg MPG

• GMC

  2016 GMC Sierra 2500 HD SLT 6.0L V8 CNG Automatic 6 Speed Crew Cab Pickup
  Added Dec 2016 • 96 Fuel-ups

  Property of wolffy

• 12.1 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Dec 2018 • 69 Fuel-ups

  Property of williamsm5813

• 14.1 Avg MPG

• Manny

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jan 2017 • 144 Fuel-ups

  Property of MNMoose

• 14.9 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2020 • 12 Fuel-ups

  Property of Gee_Whiz

• 15.8 Avg MPG

• GMC 2500 HD white 4 dr

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed
  Added Jul 2020 • 6 Fuel-ups

  Property of whale3518

• 12.5 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD 6.0L V8 FLEX Automatic 6 Speed
  Added Feb 2020 • 28 Fuel-ups

  Property of bobbybanshee

• 12.8 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD SLE 6.6L V8 DIESEL Automatic 6 Speed
  Added Sep 2018 • 7 Fuel-ups

  Property of onmyway62

• 13.0 Avg MPG

• Sierra 2500HD

  2016 GMC Sierra 2500 HD SLE 6.0L V8 FLEX Automatic 6 Speed Standard Cab Pickup
  Added Mar 2018 • 106 Fuel-ups

  Property of camgoesrawr

• 12.8 Avg MPG

• HD

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Apr 2016 • 149 Fuel-ups

  Property of rufus28

• 15.7 Avg MPG

• Big Red

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
  Added May 2016 • 182 Fuel-ups

  Property of TackleBox

• 14.0 Avg MPG

• 2016 GMC Denali Diesel

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Feb 2019 • 25 Fuel-ups

  Property of mrfergie

• 16.7 Avg MPG

• Franny

  2016 GMC Sierra 2500 HD SLT 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Jan 2017 • 87 Fuel-ups

  Property of illadelph

• 16.0 Avg MPG

• Denali HD

  2016 GMC Sierra 2500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed Crew Cab Pickup
  Added Aug 2016 • 103 Fuel-ups

  Property of geektoad

• 14.5 Avg MPG

• My Sierra 2500 HD

  2016 GMC Sierra 2500 HD 6.6L V8 DIESEL Automatic 6 Speed Standard Cab Pickup
  Added May 2018 • 24 Fuel-ups

  Property of jason6br

• 15.7 Avg MPG

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