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2003 Harley Davidson FLSTFI Fat Boy MPG

Based on data from 7 vehicles, 298 fuel-ups and 42,572 miles of driving, the 2003 Harley Davidson FLSTFI Fat Boy gets a combined Avg MPG of 39.30 with a 0.62 MPG margin of error.

Below you can see a distribution of the fuel-ups with 23 outliers (7.17%) removed.

Following shows the average MPG of each of the 7 vehicles in the system.

2003 Harley Davidson FLSTFI Fat Boys For Sale Nearby

  • FatBoy

    2003 Harley Davidson FLSTFI Fat Boy
    Added Jan 2019 • 27 Fuel-ups

    Property of AZAV8TOR

  • 36.7 Avg MPG
  • Josie’s Beautiful Fat Boy

    2003 Harley Davidson FLSTFI Fat Boy
    Added Jan 2023 • 11 Fuel-ups

    Property of JosieJosJeep

  • 35.4 Avg MPG
  • 2003 Fatboy

    2003 Harley Davidson FLSTFI Fat Boy
    Added Sep 2016 • 67 Fuel-ups

    Property of bartman61

  • 43.0 Avg MPG
  • Dragon

    2003 Harley Davidson FLSTFI Fat Boy
    Added Mar 2020 • 14 Fuel-ups

    Property of pdbegor

  • 44.9 Avg MPG
  • My FLSTFI Fat Boy

    2003 Harley Davidson FLSTFI Fat Boy
    Added Jun 2018 • 18 Fuel-ups

    Property of andronitis

  • 37.7 Avg MPG
  • My FLSTFI Fat Boy

    2003 Harley Davidson FLSTFI Fat Boy
    Added Jun 2018 • 13 Fuel-ups

    Property of hawaiiandad

  • 34.7 Avg MPG
  • Fatboy

    2003 Harley Davidson FLSTFI Fat Boy
    Added Aug 2016 • 199 Fuel-ups

    Property of DFDMedic

  • 41.5 Avg MPG

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Tips

Use Ethanol free fuel

Gas mixed with ethanol has less fuel efficiency. Energy-rich... ...

by asme

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