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2015 GMC Sierra 1500 MPG

Based on data from 200 vehicles, 18,544 fuel-ups and 5,465,101 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.83 with a 0.05 MPG margin of error.

Below you can see a distribution of the fuel-ups with 549 outliers (2.88%) removed.

Following shows the average MPG of each of the 200 vehicles in the system.

2015 GMC Sierra 1500s For Sale Nearby

  • Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Jun 2019 • 83 Fuel-ups

    Property of Gmguy426

  • 9.2 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 219 Fuel-ups

    Property of DudeBro

  • 17.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Jan 2018 • 183 Fuel-ups

    Property of akrutzler

  • 15.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Oct 2020 • 8 Fuel-ups

    Property of Selway

  • 17.1 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 381 Fuel-ups

    Property of Arctic388

  • 16.4 Avg MPG
  • 2015 GMC Sierra Crew Cab

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2016 • 197 Fuel-ups

    Property of dbowman711

  • 15.6 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Nov 2018 • 409 Fuel-ups

    Property of CStreff

  • 18.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2019 • 141 Fuel-ups

    Property of CaptAbrahamSmollett

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 5.3L V8 GAS Automatic 6 Speed
    Added Feb 2021 • 31 Fuel-ups

    Property of Rivera21

  • 14.2 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 296 Fuel-ups

    Property of Dukesask

  • 14.7 Avg MPG
  • 15 GMC Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 129 Fuel-ups

    Property of HoustonC

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Jan 2018 • 207 Fuel-ups

    Property of Karels

  • 16.9 Avg MPG
  • Truck

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Oct 2018 • 128 Fuel-ups

    Property of kbreyette

  • 15.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2018 • 188 Fuel-ups

    Property of dustin8201

  • 14.8 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2018 • 235 Fuel-ups

    Property of ssirik

  • 14.5 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2019 • 39 Fuel-ups

    Property of Musang

  • 15.2 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 234 Fuel-ups

    Property of dgrule

  • 16.4 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Mar 2017 • 280 Fuel-ups

    Property of CurtK

  • 16.7 Avg MPG
  • My GMC 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Jun 2017 • 145 Fuel-ups

    Property of bjsgasdata

  • 16.6 Avg MPG
  • Sierra 1500 Denali

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 6 Speed
    Added Apr 2018 • 236 Fuel-ups

    Property of reety82

  • 16.9 Avg MPG

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