Based on data from 36 vehicles, 2,158 fuel-ups and 507,643 miles of driving, the 2019 Subaru WRX STI gets a combined Avg MPG of 19.47 with a 0.18 MPG margin of error.

Any Engine Type 2.5L H4 GAS (36) Any Body Style Sedan (13) Any Submodel Sport (1) STI (4) Sport-tech (5) Base (12) Limited (14)

Below you can see a distribution of the fuel-ups with 8 outliers (0.37%) removed.

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

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• Subi

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Nov 2021 • 3 Fuel-ups

  Property of Jval99

• 18.2 Avg MPG

• Wren

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Feb 2020 • 104 Fuel-ups

  Property of canonopy

• 23.2 Avg MPG

• Subaru WRX STI

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Feb 2019 • 92 Fuel-ups

  Property of floree

• 18.8 Avg MPG

• My WRX STI

  2019 Subaru WRX STI Sport 2.5L H4 GAS Manual 6 Speed
  Added Jun 2019 • 56 Fuel-ups

  Property of Habitative

• 18.8 Avg MPG

• Subie STi

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Sep 2019 • 33 Fuel-ups

  Property of RoadsterRob

• 21.3 Avg MPG

• X-Skubi

  2019 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jun 2019 • 50 Fuel-ups

  Property of SoTX

• 18.1 Avg MPG

• My WRX STI

  2019 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added May 2019 • 24 Fuel-ups

  Property of hoonsti

• 13.7 Avg MPG

• My WRX STI

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed
  Added Dec 2019 • 3 Fuel-ups

  Property of thirstii

• 20.0 Avg MPG

• My WRX STI

  2019 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Apr 2019 • 88 Fuel-ups

  Property of rickmack687

• 21.7 Avg MPG

• My WRX STI

  2019 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Sep 2019 • 9 Fuel-ups

  Property of fulloutpwr

• 21.6 Avg MPG

• STI

  2019 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed Sedan
  Added Mar 2019 • 20 Fuel-ups

  Property of foordd

• 23.8 Avg MPG

• My WRX STI

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed
  Added Feb 2019 • 45 Fuel-ups

  Property of btyler305

• 21.2 Avg MPG

• My WRX STI

  2019 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jun 2019 • 15 Fuel-ups

  Property of rtruong1

• 18.6 Avg MPG

• 2019 Subaru WRX STI

  2019 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
  Added Jun 2019 • 11 Fuel-ups

  Property of DarkMerrick

• 18.1 Avg MPG

• Blue Rocket

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Feb 2019 • 9 Fuel-ups

  Property of HPFstrawn

• 18.9 Avg MPG

• Sexy Beast

  2019 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
  Added Dec 2018 • 12 Fuel-ups

  Property of TravisMarks

• 17.9 Avg MPG

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