2015 GMC Sierra 1500 MPG

Based on data from 118 vehicles, 5,679 fuel-ups and 1,702,385 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.97 with a 0.09 MPG margin of error.

Below you can see a distribution of the fuel-ups with 281 outliers (4.71%) removed.

Following shows the average MPG of each of the 118 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Dec 2016 • 47 Fuel-ups

    Property of Paul303

  • 17.7 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 • 6 Fuel-ups

    Property of hopkid

  • 14.7 Avg MPG
  • 15 Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2016 • 53 Fuel-ups

    Property of ajgeiman

  • 17.0 Avg MPG
  • Joey's GMC

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Sep 2016 • 69 Fuel-ups

    Property of Shakora

  • 14.7 Avg MPG
  • 2015 GMC 1500 SLE

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Aug 2016 • 707 Fuel-ups

    Property of kpwaterdoc

  • 12.5 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jun 2015 • 112 Fuel-ups

    Property of peterv

  • 13.8 Avg MPG
  • GMC

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2017 • 98 Fuel-ups

    Property of dfrazier

  • 17.5 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 157 Fuel-ups

    Property of jrulapaugh

  • 12.7 Avg MPG
  • New Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 87 Fuel-ups

    Property of Dukesask

  • 14.9 Avg MPG
  • Joe's Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 73 Fuel-ups

    Property of GMCJoe

  • 18.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Sep 2015 • 64 Fuel-ups

    Property of savaytse66

  • 16.0 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Jun 2016 • 117 Fuel-ups

    Property of TheStepChild

  • 22.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Aug 2016 • 31 Fuel-ups

    Property of ottovanb

  • 14.7 Avg MPG
  • Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 134 Fuel-ups

    Property of acmurf1

  • 17.8 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 52 Fuel-ups

    Property of dbowman711

  • 15.4 Avg MPG
  • Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2015 • 84 Fuel-ups

    Property of starnix59

  • 18.8 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2016 • 49 Fuel-ups

    Property of Bitten70

  • 14.7 Avg MPG
  • GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Feb 2017 • 19 Fuel-ups

    Property of TheLazyC

  • 16.9 Avg MPG
  • Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Mar 2017 • 32 Fuel-ups

    Property of sappermiller

  • 15.7 Avg MPG
  • Onyx

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2015 • 125 Fuel-ups

    Property of 92teg92

  • 14.9 Avg MPG

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