Click here to see important news regarding the aCar App

2015 GMC Sierra 3500 HD MPG

Based on data from 46 vehicles, 3,946 fuel-ups and 1,428,110 miles of driving, the 2015 GMC Sierra 3500 HD gets a combined Avg MPG of 13.57 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 64 outliers (1.60%) removed.

Following shows the average MPG of each of the 46 vehicles in the system.

2015 GMC Sierra 3500 HDs For Sale Nearby

  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD SLT 6.0L V8 FLEX Automatic 6 Speed
    Added Dec 2016 • 16 Fuel-ups

    Property of tobedestyn

  • 9.8 Avg MPG
  • GMC Sierra 3500 Denali

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Oct 2016 • 29 Fuel-ups

    Property of rkt4796606

  • 11.3 Avg MPG
  • My Sierra 3500 HD

    2015 GMC Sierra 3500 HD Denali 6.6L V8 DIESEL Automatic 6 Speed
    Added Dec 2015 • 5 Fuel-ups

    Property of 750hpDenali

  • 12.5 Avg MPG
  • Blue Dually

    2015 GMC Sierra 3500 HD Denali 6.6L DIESEL V8 Automatic 6 Crew Cab Pickup (4 Door)
    Added Apr 2015 • 58 Fuel-ups

    Property of BigJon

  • 12.5 Avg MPG
  • Denali HD

    2015 GMC Sierra 3500 HD Denali 6.6L DIESEL V8 Automatic 6
    Added Jun 2014 • 12 Fuel-ups

    Property of fury

  • 13.5 Avg MPG
  • whitey

    2015 GMC Sierra 3500 HD DIESEL
    Added Apr 2014 • 3 Fuel-ups

    Property of jbuff

  • 14.6 Avg MPG

Recent Activity

from other GMC Sierra 3500 HD vehicles (View All)

Tips

Be Mindful of Your A/C Modes

Many cars engage A/C in modes that are not clearly marked as... ...

by theUg

Read more tips