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2018 Subaru WRX STI MPG

Based on data from 42 vehicles, 2,100 fuel-ups and 511,606 miles of driving, the 2018 Subaru WRX STI gets a combined Avg MPG of 19.88 with a 0.13 MPG margin of error.

Below you can see a distribution of the fuel-ups with 49 outliers (2.28%) removed.

Following shows the average MPG of each of the 42 vehicles in the system.

2018 Subaru WRX STIs For Sale Nearby

  • WRX STI 11.5

    2018 Subaru WRX STI STI 2.5L H4 GAS Manual 6 Speed
    Added Aug 2019 • 67 Fuel-ups

    Property of EricSum

  • 22.4 Avg MPG
  • '18 STI

    2018 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
    Added Aug 2017 • 180 Fuel-ups

    Property of clapanse

  • 20.2 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI STI 2.5L H4 GAS Manual 6 Speed
    Added Feb 2020 • 19 Fuel-ups

    Property of SensibleHeat

  • 19.0 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI STI 2.5L H4 GAS Standard 6 Speed
    Added Jul 2018 • 53 Fuel-ups

    Property of Takeshi_173

  • 17.3 Avg MPG
  • SAIS0KU

    2018 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed
    Added Apr 2018 • 144 Fuel-ups

    Property of labrame

  • 21.8 Avg MPG
  • WRX STI RA

    2018 Subaru WRX STI Type RA 2.5L H4 GAS Manual 6 Speed
    Added Aug 2020 • 9 Fuel-ups

    Property of blue04sti

  • 18.4 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
    Added Jul 2018 • 112 Fuel-ups

    Property of takobo

  • 18.5 Avg MPG
  • WRX STI

    2018 Subaru WRX STI Sport-tech 2,5L H4 GAS Manual 6 Speed
    Added Mar 2018 • 144 Fuel-ups

    Property of agleask

  • 12.5 Avg MPG
  • Stacy

    2018 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
    Added Jul 2018 • 113 Fuel-ups

    Property of mut8dsupafly

  • 19.5 Avg MPG
  • STI

    2018 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed Sedan
    Added May 2018 • 24 Fuel-ups

    Property of Belikea

  • 21.5 Avg MPG
  • STi

    2018 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed Sedan
    Added Nov 2017 • 87 Fuel-ups

    Property of jon10203405060

  • 22.3 Avg MPG
  • Black Unicorn

    2018 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed
    Added Sep 2018 • 58 Fuel-ups

    Property of MizMoxie13

  • 18.7 Avg MPG
  • Wingnut

    2018 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
    Added Mar 2018 • 64 Fuel-ups

    Property of josnroh

  • 21.1 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Standard 6 Speed
    Added Apr 2018 • 63 Fuel-ups

    Property of 2018-STi

  • 21.3 Avg MPG
  • Sti

    2018 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed Sedan
    Added Nov 2017 • 73 Fuel-ups

    Property of camelflage

  • 19.9 Avg MPG
  • STI

    2018 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed Sedan
    Added Aug 2017 • 61 Fuel-ups

    Property of Hersheys

  • 20.0 Avg MPG
  • Subaru WRX STI

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
    Added Mar 2018 • 76 Fuel-ups

    Property of nwilloughby

  • 16.6 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
    Added Feb 2018 • 135 Fuel-ups

    Property of LOD-squa

  • 20.9 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
    Added Mar 2019 • 59 Fuel-ups

    Property of yammerhammer

  • 20.4 Avg MPG
  • Sophia

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Standard 6 Speed
    Added Mar 2018 • 259 Fuel-ups

    Property of rayryan223

  • 19.4 Avg MPG

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