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2018 Subaru WRX STI MPG

Based on data from 50 vehicles, 4,633 fuel-ups and 1,105,217 miles of driving, the 2018 Subaru WRX STI gets a combined Avg MPG of 19.61 with a 0.10 MPG margin of error.

Below you can see a distribution of the fuel-ups with 67 outliers (1.43%) removed.

Following shows the average MPG of each of the 50 vehicles in the system.

2018 Subaru WRX STIs For Sale Nearby

  • Black Unicorn

    2018 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed
    Added Sep 2018 • 175 Fuel-ups

    Property of MizMoxie13

  • 17.7 Avg MPG
  • WRX STI 11.5

    2018 Subaru WRX STI STI 2.5L H4 GAS Manual 6 Speed
    Added Aug 2019 • 270 Fuel-ups

    Property of EricSum

  • 22.4 Avg MPG
  • Selena

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed Sedan
    Added Jul 2022 • 131 Fuel-ups

    Property of jasonkai

  • 20.2 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI STI 2.5L H4 GAS Standard 6 Speed
    Added Jul 2018 • 180 Fuel-ups

    Property of Takeshi_173

  • 15.5 Avg MPG
  • STI

    2018 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed Sedan
    Added Aug 2017 • 191 Fuel-ups

    Property of Hersheys

  • 20.8 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Standard 6 Speed
    Added Apr 2018 • 111 Fuel-ups

    Property of 2018-STi

  • 21.1 Avg MPG
  • Bandit

    2018 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed Sedan
    Added Sep 2023 • 314 Fuel-ups

    Property of jdmorris

  • 21.3 Avg MPG
  • WRX STI RA

    2018 Subaru WRX STI Type RA 2.5L H4 GAS Manual 6 Speed
    Added Aug 2020 • 184 Fuel-ups

    Property of blue04sti

  • 17.3 Avg MPG
  • Wingnut

    2018 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
    Added Mar 2018 • 142 Fuel-ups

    Property of josnroh

  • 21.6 Avg MPG
  • Koraline

    2018 Subaru WRX STI Type RA 2.5L H4 GAS Manual 6 Speed Sedan
    Added Apr 2021 • 357 Fuel-ups

    Property of StephenPalmer

  • 20.0 Avg MPG
  • '18 STI

    2018 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
    Added Aug 2017 • 254 Fuel-ups

    Property of clapanse

  • 20.0 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI STI 2.5L H4 GAS Manual 6 Speed
    Added Feb 2020 • 171 Fuel-ups

    Property of SensibleHeat

  • 19.1 Avg MPG
  • Type RA

    2018 Subaru WRX STI Type RA 2.5L H4 GAS Manual 6 Speed Sedan
    Added Apr 2021 • 125 Fuel-ups

    Property of picantegamer

  • 20.3 Avg MPG
  • STi

    2018 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed Sedan
    Added Nov 2017 • 136 Fuel-ups

    Property of jon10203405060

  • 21.8 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
    Added Jul 2018 • 180 Fuel-ups

    Property of takobo

  • 18.9 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed
    Added Sep 2022 • 125 Fuel-ups

    Property of thexflames

  • 14.9 Avg MPG
  • WRX STI

    2018 Subaru WRX STI Sport-tech 2,5L H4 GAS Manual 6 Speed
    Added Mar 2018 • 311 Fuel-ups

    Property of agleask

  • 23.7 Avg MPG
  • Stacy

    2018 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
    Added Jul 2018 • 257 Fuel-ups

    Property of mut8dsupafly

  • 18.3 Avg MPG
  • My Spec.R STI WRX

    2018 Subaru WRX STI STI 2.5L H4 GAS Manual 6 Speed Sedan
    Added Oct 2022 • 10 Fuel-ups

    Property of scottd72

  • 21.6 Avg MPG
  • My WRX STI

    2018 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
    Added Feb 2023 • 53 Fuel-ups

    Property of buklaosta

  • 15.7 Avg MPG

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