2021 Subaru WRX Specs
3 powertrain configurations on federal record for the 2021 Subaru WRX: 2.0L 4-cyl Premium Gasoline; 2.5L 4-cyl Premium Gasoline, rated up to 23 MPG combined by the EPA.
Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research
| Engine | Transmission | Drivetrain | City | Highway | Combined |
|---|---|---|---|---|---|
| 2.0L 4-cyl Premium Gasoline | Manual 6-spd | All-Wheel Drive | 20 | 27 | 23 |
| 2.0L 4-cyl Premium Gasoline | Automatic (AV-S8) | All-Wheel Drive | 18 | 24 | 21 |
| 2.5L 4-cyl Premium Gasoline | Manual 6-spd | All-Wheel Drive | 16 | 22 | 18 |
WRX by year
Buying a used WRX? Specs are the easy half.
Check which WRX years to avoid (federal complaint and recall records), see the live WRX value by year, then check the specific car: the Full VIN Report shows that VIN's factory build, recall record, and market history before you pay for it.
Frequently asked questions
What engines does the 2021 Subaru WRX have?
2 engines on federal record: 2.0L 4-cyl Premium Gasoline; 2.5L 4-cyl Premium Gasoline, offered with Manual 6-spd, Automatic (AV-S8) and All-Wheel Drive. The full per-configuration table is above.
What gas mileage does the 2021 Subaru WRX get?
EPA combined ratings run 18–23 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.
Is 2021 a good year for the Subaru WRX?
Specs don't answer that — the federal complaint and recall record does. See the Subaru WRX year-by-year reliability verdicts at carwhere.com/research/years-to-avoid/subaru/wrx, built from NHTSA data.
How do I get the specs for my exact VIN?
These are the federal-record configurations for the 2021 Subaru WRX overall. For one specific vehicle — its exact engine, trim, factory options, and original window sticker — decode the 17-character VIN free at carwhere.com/tools/vin-decoder.
Where does this data come from?
The U.S. EPA's public vehicle dataset (fueleconomy.gov) — the federal record of every US-market configuration since 1984 — refreshed 2026-10-26. Public-domain data; republish with attribution to CarWhere (carwhere.com).