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2015 GMC Sierra 1500 MPG

Based on data from 220 vehicles, 24,343 fuel-ups and 7,041,332 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.69 with a 0.04 MPG margin of error.

Below you can see a distribution of the fuel-ups with 743 outliers (2.96%) removed.

Following shows the average MPG of each of the 220 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • 2015 GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Sep 2018 • 20 Fuel-ups

    Property of NJFF41

  • 18.1 Avg MPG
  • 2015 Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 246 Fuel-ups

    Property of civicsiracer06

  • 13.9 Avg MPG
  • Gmc Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2017 • 153 Fuel-ups

    Property of dphi201

  • 16.5 Avg MPG
  • The White Truck

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2018 • 5 Fuel-ups

    Property of nedrolls

  • 15.4 Avg MPG
  • My Truck

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jul 2018 • 457 Fuel-ups

    Property of arosin

  • 17.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed
    Added Nov 2017 • 42 Fuel-ups

    Property of nfoufas

  • 16.1 Avg MPG
  • Joe's Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 129 Fuel-ups

    Property of GMCJoe

  • 18.4 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2015 • 138 Fuel-ups

    Property of Brady_SS

  • 16.8 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 199 Fuel-ups

    Property of curtisa95

  • 18.1 Avg MPG
  • My Truck

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2018 • 411 Fuel-ups

    Property of arosin

  • 17.4 Avg MPG
  • GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2017 • 86 Fuel-ups

    Property of TheLazyC

  • 14.9 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2018 • 34 Fuel-ups

    Property of KorCar1

  • 18.1 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2018 • 53 Fuel-ups

    Property of Fastlane01

  • 15.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Nov 2024 • 94 Fuel-ups

    Property of Snafujg

  • 15.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jul 2017 • 37 Fuel-ups

    Property of Big_Bad_Wolfe

  • 15.9 Avg MPG
  • Big Black

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2015 • 107 Fuel-ups

    Property of uscoastie1

  • 16.5 Avg MPG
  • Blue truck

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2017 • 34 Fuel-ups

    Property of ZollieH77

  • 12.2 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 210 Fuel-ups

    Property of jrulapaugh

  • 12.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2017 • 23 Fuel-ups

    Property of woodyoc

  • 16.0 Avg MPG
  • 2015 Sierra 5.3 Z71 with cap

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2016 • 10 Fuel-ups

    Property of hopkid

  • 18.5 Avg MPG

Recent Activity

from other GMC Sierra 1500 vehicles (View All)

Tips

Don't shift down with the shift indicator - go by bsfp and instant mpg

Shift indicators usually go on how much the go pedal is depr... ...

by Charles1989

Read more tips