Based on data from 48 vehicles, 4,525 fuel-ups and 1,080,092 miles of driving, the 2013 Subaru WRX STI gets a combined Avg MPG of 19.13 with a 0.10 MPG margin of error.

Any Engine Type 2.5L H4 GAS (33) GAS (2) H4 GAS (11) Any Body Style Sedan (7) Wagon (1) Hatchback (2) Any Submodel Sport-tech (12) Base (21) Other (15)

Below you can see a distribution of the fuel-ups with 165 outliers (3.52%) removed.

Following shows the average MPG of each of the 48 vehicles in the system.

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• WRX STI

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
  Added Jan 2025 • 11 Fuel-ups

  Property of Toph6888

• 20.2 Avg MPG

• Boon's Car

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Standard 6 Speed Sedan
  Added Jan 2025 • 613 Fuel-ups

  Property of boontato

• 16.5 Avg MPG

• My WRX STI

  2013 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jun 2021 • 96 Fuel-ups

  Property of rodney_bones007

• 18.7 Avg MPG

• USS Friendship

  2013 Subaru WRX STI Wagon
  Added Sep 2016 • 156 Fuel-ups

  Property of beekers

• 19.1 Avg MPG

• Scoob 3.0

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed Sedan
  Added Apr 2024 • 10 Fuel-ups

  Property of jmacman12

• 21.2 Avg MPG

• WRX STI

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed
  Added Oct 2017 • 261 Fuel-ups

  Property of carfood

• 16.7 Avg MPG

• Stella

  2013 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jul 2021 • 31 Fuel-ups

  Property of StellaSTI13

• 22.3 Avg MPG

• Shiva

  2013 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Jan 2015 • 304 Fuel-ups

  Property of ChinookFE

• 19.2 Avg MPG

• Subaru WRX STI

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Standard 6 Speed
  Added Jul 2021 • 307 Fuel-ups

  Property of karlray

• 18.4 Avg MPG

• Madison

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed Sedan
  Added Jan 2021 • 536 Fuel-ups

  Property of dorkish

• 21.9 Avg MPG

• My WRX STI

  2013 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
  Added Feb 2020 • 15 Fuel-ups

  Property of jeffmalin

• 18.6 Avg MPG

• Madison

  2013 Subaru WRX STI Sport-tech 2.5L H4 GAS Manual 6 Speed Sedan
  Added Apr 2019 • 536 Fuel-ups

  Property of dorkish

• 21.9 Avg MPG

• Sanjuro

  2013 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed Hatchback
  Added Sep 2018 • 32 Fuel-ups

  Property of odom03

• 17.6 Avg MPG

• Ashveen

  2013 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed Sedan
  Added Oct 2017 • 108 Fuel-ups

  Property of P35platinum

• 16.1 Avg MPG

• My WRX STI

  2013 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Nov 2017 • 16 Fuel-ups

  Property of LoganZ

• 19.3 Avg MPG

• 340R

  2013 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed Sedan
  Added Oct 2017 • 90 Fuel-ups

  Property of Smilne

• 6.1 Avg MPG

• STi

  2013 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Feb 2013 • 186 Fuel-ups

  Property of ovenmit331

• 22.5 Avg MPG

• STi

  2013 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Mar 2017 • 195 Fuel-ups

  Property of X-F-S

• 20.0 Avg MPG

• WRX STi EJ257

  2013 Subaru WRX STI GAS H4
  Added Mar 2014 • 183 Fuel-ups

  Property of muqingjing

• 17.1 Avg MPG

• Shiva

  2013 Subaru WRX STI 2.5L H4 GAS Standard 6 Speed
  Added Sep 2017 • 14 Fuel-ups

  Property of jmettille87

• 16.5 Avg MPG

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