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2018 GMC Sierra 1500 MPG

Based on data from 164 vehicles, 9,319 fuel-ups and 2,685,993 miles of driving, the 2018 GMC Sierra 1500 gets a combined Avg MPG of 16.28 with a 0.06 MPG margin of error.

Below you can see a distribution of the fuel-ups with 347 outliers (3.59%) removed.

Following shows the average MPG of each of the 164 vehicles in the system.

2018 GMC Sierra 1500s For Sale Nearby

  • My New Toy

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed Crew Cab Pickup
    Added Jan 2019 • 51 Fuel-ups

    Property of widebody

  • 16.4 Avg MPG
  • Black Betty

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 6 Speed
    Added Dec 2018 • 93 Fuel-ups

    Property of tlawson85

  • 17.6 Avg MPG
  • Glenn

    2018 GMC Sierra 1500 Denali 5.3L V8 GAS Automatic 8 Speed Crew Cab Pickup
    Added Nov 2020 • 44 Fuel-ups

    Property of ghcrawford

  • 14.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 69 Fuel-ups

    Property of iNative

  • 15.8 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Dec 2020 • 27 Fuel-ups

    Property of ianspecs

  • 13.7 Avg MPG
  • 2018 Sierra 1500

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed Cab & Chassis - Crew Cab
    Added Apr 2018 • 183 Fuel-ups

    Property of iZoomie

  • 17.8 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLE 5.3L V8 FLEX Automatic 6 Speed
    Added Oct 2018 • 83 Fuel-ups

    Property of bgrinder90

  • 13.8 Avg MPG
  • Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Oct 2019 • 176 Fuel-ups

    Property of hubbd33

  • 14.3 Avg MPG
  • 2018 Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 6 Speed
    Added Feb 2019 • 102 Fuel-ups

    Property of trentm

  • 15.3 Avg MPG
  • 2018 Sierra

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed Crew Cab Pickup
    Added Jan 2019 • 215 Fuel-ups

    Property of civicsiracer06

  • 14.9 Avg MPG
  • GMC

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed Crew Cab Pickup
    Added Dec 2018 • 302 Fuel-ups

    Property of Tigers20

  • 18.1 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLE 5.3L V8 GAS Automatic 6 Speed
    Added Mar 2018 • 166 Fuel-ups

    Property of Existant69

  • 13.1 Avg MPG
  • GMC Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 ELECTRIC/GAS Automatic 8 Speed
    Added Jun 2018 • 134 Fuel-ups

    Property of Buckshot48

  • 17.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2019 • 151 Fuel-ups

    Property of Chad08

  • 15.7 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 FLEX Automatic 8 Speed
    Added Nov 2018 • 93 Fuel-ups

    Property of epedro40

  • 16.6 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2018 • 83 Fuel-ups

    Property of nmason42

  • 15.0 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 8 Speed
    Added Nov 2018 • 85 Fuel-ups

    Property of emejay

  • 19.4 Avg MPG
  • 2018 GMC Sierra

    2018 GMC Sierra 1500 SLT 6.2L V8 GAS Automatic 8 Speed Extended Cab Pickup
    Added May 2018 • 198 Fuel-ups

    Property of joenrox

  • 16.9 Avg MPG
  • My Sierra 1500

    2018 GMC Sierra 1500 SLT 5.3L V8 GAS Automatic 6 Speed
    Added Dec 2018 • 127 Fuel-ups

    Property of e37292

  • 16.8 Avg MPG
  • Denali

    2018 GMC Sierra 1500 Denali 6.2L V8 GAS Automatic 8 Speed
    Added Jan 2020 • 30 Fuel-ups

    Property of Teutonics

  • 17.5 Avg MPG

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from other GMC Sierra 1500 vehicles (View All)

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