Vehicle
Subaru Impreza
Subaru's compact car, and the nameplate that carries the make's one genuinely transferable diagnostic fact: the flat-four's cylinders are not arranged front to back. Cylinders 1 and 3 sit on one bank and 2 and 4 on the other, so a single-cylinder misfire code names a side of the engine as much as a position along it — and swapping a coil with "the next one" means something different here than on an inline engine.
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Generations
-
GC and GF 1992–2000
The first Impreza and the original WRX; the EJ20's belt is an interference-engine item and the turbo cars add their own oil-feed discipline.
- Body styles
- Sedan · Hatchback · Estate
- Platform
- Subaru Impreza
- Engines
-
- 1.6 flat-four — EJ16 · petrol · 138 Nm (102 lb-ft)
- 1.8 flat-four — EJ18 · petrol
- 2.0 flat-four — EJ20 · petrol
- 2.0 turbo flat-four — petrol · EJ20T, WRX and STI
- 1.5 H4 — EJ15 · petrol
- 2.2 H4 — EJ22 · petrol
- 2.5 H4 — EJ25 · petrol · 190–238 Nm (140–176 lb-ft)
- Transmissions
- 5-speed manual · 4-speed automatic
- Drivetrain
- Front-wheel drive · Symmetrical all-wheel drive
-
GD 2000–2007
EJ-series throughout; the naturally aspirated 2.0/2.5 and the turbocharged WRX.
- Body styles
- Sedan · Estate
- Platform
- Subaru Impreza
- Engines
-
- 1.5 — EJ15 · petrol
- 1.6 — EJ16 · petrol · 138–143 Nm (102–105 lb-ft)
- 2.0 — EJ20 · petrol
- 2.0 turbo EJ205 — EJ205 · petrol · WRX
- 2.0 turbo EJ207 STI — EJ207 · petrol · Japan
- 2.5 turbo and EJ257 — EJ255 · petrol · WRX and STI
- Transmissions
- 5-speed manual · 6-speed manual · 4-speed automatic
- Drivetrain
- Symmetrical all-wheel drive
-
GE 2007–2011
Hatchback-led generation; EJ engines continue.
- Body styles
- Hatchback · Sedan
- Platform
- Subaru Impreza
- Engines
-
- 1.5 — EJ15 · petrol
- 2.0 — EJ20 · petrol · 110 kW (148 hp)
- 2.5 turbo EJ255 — EJ255 · petrol · 221 kW (296 hp) · WRX
- 2.5 turbo EJ257 STI — EJ257 · petrol · 221–224 kW (296–300 hp) · 407 Nm (300 lb-ft)
- 2.0 diesel — EE20 · diesel · 110 kW (148 hp) · 350 Nm (258 lb-ft)
- 1.5 H4 — EL15 · petrol
- Transmissions
- 5-speed manual · 4-speed automatic · 5-speed automatic · 6-speed TY856UB1KA manual
- Drivetrain
- Symmetrical all-wheel drive
-
GJ 2011–2016
FB-series engines and the Lineartronic CVT arrive at volume.
- Body styles
- Hatchback · Sedan
- Engines
-
- 1.6 — FB16 · petrol · 84 kW (113 hp) · 150 Nm (111 lb-ft)
- 2.0 — FB20 · petrol · cylinders 1 and 3 share a bank — a misfire code names a side as much as a position
- 2.0 turbo H4 — EE20 · diesel · 108–110 kW (145–148 hp) · 350 Nm (258 lb-ft)
- Transmissions
- 5-speed manual · Lineartronic CVT · 6-speed manual
- Drivetrain
- Four-wheel drive
-
GK 2016–present
Subaru Global Platform; direct injection on later engines.
- Body styles
- Hatchback · Sedan
- Platform
- Subaru Global Platform
- Engines
-
- 1.6 — FB16 · petrol · 84 kW (113 hp) · 150 Nm (111 lb-ft)
- 2.0 — FB20 · petrol · 110–115 kW (148–154 hp) · 194–196 Nm (143–145 lb-ft)
- 2.0 e-Boxer — FB20 · mild hybrid · 188–198 Nm (139–146 lb-ft)
- 2.5 — petrol · 4-cylinder, US market 2024-2026
- Transmissions
- 5-speed manual · Lineartronic CVT
- Drivetrain
- Symmetrical all-wheel drive
Information, not instruction
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Have anything you intend to act on checked by a trained person against the manufacturer's own procedure for your vehicle. Nothing here replaces that procedure.
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