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2015 GMC Sierra 1500 MPG

Based on data from 187 vehicles, 15,777 fuel-ups and 4,685,964 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.92 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 456 outliers (2.81%) removed.

Following shows the average MPG of each of the 187 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • '15 GMC

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Oct 2017 • 200 Fuel-ups

    Property of 2kwik4u

  • 15.9 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 345 Fuel-ups

    Property of Arctic388

  • 16.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 77 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.0 Avg MPG
  • GMC Sierra Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Aug 2016 • 219 Fuel-ups

    Property of mnetland

  • 18.7 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 158 Fuel-ups

    Property of natterbe

  • 18.5 Avg MPG
  • Sierra Denali 2015

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Jun 2018 • 117 Fuel-ups

    Property of ivertiz

  • 16.1 Avg MPG
  • Silver Surfer

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2016 • 201 Fuel-ups

    Property of humenfly

  • 18.1 Avg MPG
  • 2015 GMC Sierra 1500 SLT

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Dec 2018 • 91 Fuel-ups

    Property of mnvik28

  • 14.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2018 • 126 Fuel-ups

    Property of dustin8201

  • 14.8 Avg MPG
  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2019 • 32 Fuel-ups

    Property of Gmguy426

  • 12.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2017 • 79 Fuel-ups

    Property of randy68d

  • 16.3 Avg MPG
  • 2015 GMC SIERRA CREW CAB

    2015 GMC Sierra 1500 SLT 6.2L GAS V8 Automatic 8 Crew Cab Pickup (4 Door)
    Added May 2015 • 113 Fuel-ups

    Property of Freeweeling

  • 18.5 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 322 Fuel-ups

    Property of CStreff

  • 18.0 Avg MPG
  • BlueFishDogTooth III

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added May 2019 • 33 Fuel-ups

    Property of dennisp2938

  • 12.5 Avg MPG
  • 15 GMC Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 31 Fuel-ups

    Property of HoustonC

  • 16.0 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2019 • 16 Fuel-ups

    Property of Musang

  • 15.6 Avg MPG
  • Mad Max

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Sep 2019 • 24 Fuel-ups

    Property of gmzdad

  • 16.8 Avg MPG
  • Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Apr 2018 • 180 Fuel-ups

    Property of reety82

  • 17.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Aug 2019 • 8 Fuel-ups

    Property of JTD-3SV

  • 14.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2019 • 16 Fuel-ups

    Property of trackingwild

  • 16.2 Avg MPG

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