2015 GMC Sierra 1500 MPG

Based on data from 93 vehicles, 3,759 fuel-ups and 1,122,245 miles of driving, the 2015 GMC Sierra 1500 gets a combined Avg MPG of 15.91 with a 0.11 MPG margin of error.

Below you can see a distribution of the fuel-ups with 243 outliers (6.07%) removed.

Following shows the average MPG of each of the 93 vehicles in the system.

  • Onyx

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Aug 2015 • 91 Fuel-ups

    Property of 92teg92

  • 15.1 Avg MPG
  • 2015 GMC 1500 SLE

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Aug 2016 • 619 Fuel-ups

    Property of kpwaterdoc

  • 11.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed Extended Cab Pickup
    Added Jun 2016 • 50 Fuel-ups

    Property of TheStepChild

  • 22.8 Avg MPG
  • Hank

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

    Property of sslowpoke

  • 18.3 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jan 2016 • 42 Fuel-ups

    Property of deckep

  • 17.7 Avg MPG
  • Silver Surfer

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Apr 2016 • 30 Fuel-ups

    Property of humenfly

  • 18.2 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 4.3L V6 FLEX Automatic 6 Speed
    Added Nov 2016 • 9 Fuel-ups

    Property of rahman20k

  • 20.3 Avg MPG
  • Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jun 2015 • 70 Fuel-ups

    Property of peterv

  • 14.6 Avg MPG
  • 2015 GMC Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 110 Fuel-ups

    Property of jrulapaugh

  • 12.6 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Feb 2015 • 104 Fuel-ups

    Property of glangham

  • 17.7 Avg MPG
  • My Sierra 1500

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2015 • 19 Fuel-ups

    Property of Clemsonfan15

  • 17.0 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added May 2015 • 113 Fuel-ups

    Property of Arctic388

  • 16.2 Avg MPG
  • 2015 Sierra

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Apr 2016 • 69 Fuel-ups

    Property of civicsiracer06

  • 14.1 Avg MPG
  • Steve

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Extended Cab Pickup
    Added Aug 2015 • 29 Fuel-ups

    Property of jdru66

  • 16.7 Avg MPG
  • Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 97 Fuel-ups

    Property of acmurf1

  • 17.8 Avg MPG
  • Big Black

    2015 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Mar 2015 • 41 Fuel-ups

    Property of uscoastie1

  • 15.7 Avg MPG
  • Sierra All Terrain

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2015 • 33 Fuel-ups

    Property of Gilles

  • 17.9 Avg MPG
  • 15 Sierra Z-71

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Jul 2016 • 21 Fuel-ups

    Property of ajgeiman

  • 17.5 Avg MPG
  • Sierra 2015

    2015 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Sep 2016 • 59 Fuel-ups

    Property of sanity

  • 14.6 Avg MPG
  • GMC Sierra

    2015 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Aug 2016 • 54 Fuel-ups

    Property of Roadwarrior32

  • 17.3 Avg MPG

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Whenever you get the chance, let gravity (that mysterious an... ...

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