Naturally aspirated 2.0L boxer engine with a 6-speed automatic transmission imported from Japan 🇯🇵. Compression-tested and ready for installation — the 4U-GSE / FA20 combines Subaru’s horizontally opposed engine design with Toyota’s D-4S direct and port fuel-injection system.
Toyota engine code: 4U-GSE
Subaru engine code: FA20
Configuration: Horizontally opposed 4-cylinder DOHC 16-valve with Dual AVCS and D-4S injection
Displacement: 1998 cc
Transmission: 6-speed automatic with paddle-shift capability
Transmission family: A960E
Drivetrain: Rear-wheel drive
Mileage: 45,000–65,000 miles (verified low-mileage JDM import)
Compression ratio: 12.5:1 (factory specification; verified consistent compression across cylinders)
Factory output with automatic transmission: Approximately 200 hp and 151 lb-ft of torque
Fits:
- Scion FR-S 2.0L Automatic (2013–2016)
- Toyota 86 2.0L Automatic (2017–2020)
Responsive, balanced and built for high-revving performance — this 4U-GSE / FA20 engine and automatic transmission package is an excellent replacement for compatible first-generation Toyota 86 and Scion FR-S models. Original wiring, ECU, sensors, intake, exhaust, accessories, engine mounts and emissions components may need to be transferred.
Important: Differences exist between the 2013–2016 and 2017–2020 versions. Customers must verify the vehicle year, VIN, transmission identification number, wiring connections and original engine configuration before purchasing.