2021 Subaru WRX History Check

About the 2021 Subaru WRX

The 2021 model year of the Subaru WRX sits in the a performance sedan / wagon that was Australia's #71-best-selling new vehicle in 2024. WRX is the most-modified car on the AU market by aftermarket-spend. Verify the ECU hasn't been flashed (Cobb / EcuTek tunes void warranty and can mask overrev events the next owner inherits). Engine rebuilds are common at 80,000-120,000 km on tuned cars — ask for rebuild receipts and verify the engine number against PPSR records.

2021-specific issues to verify

These reliability concerns affect Subaru WRX examples from this generation. Service history (verifiable via PPSR notation) is the critical purchase factor.

1. FA20 ringland failure on tuned examples — costs $8-12k to rebuild
2. Transmission synchros on 6-speed manual — Subaru TSB issued 2019
3. EBC anti-lift rear suspension geometry wear
4. Aftermarket BOV-fitted cars often run lean and damage pistons

Other model years — Subaru WRX

The Aussie Car Check service covers every Subaru WRX sold in Australia. Pick a different year:

Check a Subaru WRX in your state

Same 2021 Subaru WRX check works for any AU state. State-specific guides include local rego format and WOVR rules: