Based on data from 36 vehicles, 3,248 fuel-ups and 741,768 miles of driving, the 2017 Subaru WRX STI gets a combined Avg MPG of 18.63 with a 0.14 MPG margin of error.

Any Engine Type 2.5L H4 GAS (36) Any Body Style Sedan (14) Any Submodel 1.5 RS CVT Honda SENSING (1) Sport-tech (1) Limited (12) Base (22)

Below you can see a distribution of the fuel-ups with 38 outliers (1.16%) removed.

Following shows the average MPG of each of the 36 vehicles in the system.

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• WRX STI

  2017 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Mar 2017 • 415 Fuel-ups

  Property of Vianne

• 16.4 Avg MPG

• My WRX STI

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Feb 2023 • 91 Fuel-ups

  Property of niewolny34

• 22.7 Avg MPG

• Dolly

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
  Added May 2019 • 142 Fuel-ups

  Property of amylou

• 18.6 Avg MPG

• My WRX STI

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jun 2024 • 49 Fuel-ups

  Property of Jeffsturn04

• 19.3 Avg MPG

• My WRX STI

  2017 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Jun 2017 • 185 Fuel-ups

  Property of p_quesadilla83

• 17.8 Avg MPG

• Subaru STI

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
  Added Oct 2024 • 6 Fuel-ups

  Property of shahen246

• 62.8 Avg MPG

• Subaru

  2017 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Jan 2019 • 159 Fuel-ups

  Property of jkwong69

• 15.0 Avg MPG

• My WRX STI

  2017 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Apr 2017 • 56 Fuel-ups

  Property of Noire

• 19.7 Avg MPG

• Subaru STi

  2017 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Jan 2018 • 166 Fuel-ups

  Property of MD17

• 19.3 Avg MPG

• My WRX STI

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jul 2021 • 36 Fuel-ups

  Property of travis85904

• 16.5 Avg MPG

• JTC's STI

  2017 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed Sedan
  Added Nov 2016 • 344 Fuel-ups

  Property of shamalong

• 20.4 Avg MPG

• My WRX STI

  2017 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed
  Added Nov 2016 • 190 Fuel-ups

  Property of PabloPark

• 17.1 Avg MPG

• My WRX STI

  2017 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed
  Added Sep 2016 • 183 Fuel-ups

  Property of Flyboy3

• 18.6 Avg MPG

• Red Riding Hood

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
  Added May 2017 • 94 Fuel-ups

  Property of Chunk

• 24.2 Avg MPG

• My WRX STI

  2017 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed
  Added Mar 2019 • 12 Fuel-ups

  Property of codysktmfuelly

• 17.6 Avg MPG

• My WRX STI

  2017 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
  Added Aug 2020 • 55 Fuel-ups

  Property of mielgamal

• 18.7 Avg MPG

• 2017 Sti

  2017 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed Sedan
  Added Oct 2017 • 202 Fuel-ups

  Property of Pegruder

• 15.8 Avg MPG

• Sully

  2017 Subaru WRX STI Limited 2.5L H4 GAS Standard 6 Speed
  Added Mar 2017 • 188 Fuel-ups

  Property of russb4

• 20.6 Avg MPG

• Subaru STI

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Nov 2019 • 13 Fuel-ups

  Property of sungzilla

• 18.6 Avg MPG

• Jonesy

  2017 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Sedan
  Added Jan 2018 • 76 Fuel-ups

  Property of Cassiepod

• 25.1 Avg MPG

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