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2021 Subaru WRX STI MPG

Based on data from 22 vehicles, 1,299 fuel-ups and 287,947 miles of driving, the 2021 Subaru WRX STI gets a combined Avg MPG of 18.91 with a 0.19 MPG margin of error.

Below you can see a distribution of the fuel-ups with 11 outliers (0.84%) removed.

Following shows the average MPG of each of the 22 vehicles in the system.

2021 Subaru WRX STIs For Sale Nearby

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  • WRX STI

    2021 Subaru WRX STI 2.5L H4 GAS Manual 6 Speed
    Added Sep 2021 • 20 Fuel-ups

    Property of thomashewlett

  • 16.4 Avg MPG
  • Persephone

    2021 Subaru WRX STI Limited 2.5L H4 GAS Manual 6 Speed Sedan
    Added Jul 2021 • 52 Fuel-ups

    Property of BrilliantLuck

  • 18.2 Avg MPG
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