EJ20F Subaru EJ20F
68
Brand engines
2
Modifications
Technical Specifications
| Engine Displacement | (1,994 cc) |
| Configuration | Flat-4 |
| Number of Cylinders | 4 |
| Valves per Cylinder | 4 |
| Power | 150 - 250 л.с. |
| Torque | 210 - 300 Н*м |
| Cylinder Bore | 92.00 mm |
| Piston Stroke | 75.00 mm |
| Compression Ratio | 8.0:1 |
| Firing Order | 1-3-2-4 |
| Fuel System | Multi-point Fuel Injection |
| Aspiration | Turbocharged |
| Turbocharger | IHI VF22 |
| Intercooler | Yes |
| Maximum RPM | 6,500 rpm |
| Max Torque RPM | 4,000 rpm |
| Valve Train | DOHC |
| Timing Drive | Belt |
| Timing belt replacement interval | 100,000 km |
| Block Material | Aluminum |
| Head Material | Aluminum |
| Engine Weight | 150 kg |
| Dimensions (L×W×H) | 600 × 600 × 500 mm |
| Lubrication System | Wet sump |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Subaru EJ series |
| Manufacturing Plant | Gunma, Japan |
| Successor | EJ20G |
Maintenance
| Engine Oil Capacity | 5.5 L (with filter: 6 L) |
| Recommended Viscosity | 5W-30 |
| Oil Standard | API SL |
| Recommended Brands | Castrol, Mobil 1, Shell |
| Oil Change Interval | 10 000 km or 12 mo |
| Oil Filter | 15208AA100 |
| Air Filter |
16546AA100
Replace every 30 000 km |
| Spark Plugs |
Type: Iridium Part number: 22401AA640Gap: 0.8 mm Quantity: 4 pcs Replace every 60 000 km |
| Coolant Capacity | 8 L |
| Coolant Type | G12 (Subaru Coolant) |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
| Annual Maintenance Cost | 600-900 USD |
Reliability
Expected lifespan: 300 000 km
Common problems
| Problem | Severity | Mileage | Repair cost |
|---|---|---|---|
| Head gasket failure | High | 150000-200000 km | $1000-2000 |
| Oil leaks from seals | Medium | 100000-150000 km | $300-600 |
Known defects
- Early models had issues with valve cover gaskets
- Turbocharger failures in high-mileage vehicles
Warranty extensions
- Subaru extended warranty for engine issues up to 10 years/100000 miles
Tuning potential
Tuning potential: High | Max. safe power: 350 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 220 hp | 350 Nm |
ECU remap only Reliability impact: Minimal |
$500 |
| Stage 2 | 270 hp | 400 Nm |
- Required: Upgraded intercooler, Exhaust system, ECU remap Reliability impact: Low |
$1500 |
| Stage 3 | 320 hp | 450 Nm |
- Required: Bigger turbo, Forged internals, Upgraded fuel system Reliability impact: Medium-High |
$4000 |
Popular modifications
- ECU tune (Stage 1)
- Cold air intake
- Turbo back exhaust
- Intercooler upgrade
Tuning limitations
- Stock internals limit power to ~320hp
- Cooling system upgrades recommended for high power levels
Cars with the EJ20F engine
This engine was fitted to 1 model
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Opel | Mokka | Mokka II | 2020 - present |
All modifications (2)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Opel Mokka | Mokka II | Електричний 136 л.с. 1-ступінчаста 2WD | 136 hp | 1-ступінчаста | 2WD |
| Opel Mokka | Mokka II | Електричний 136 л.с. 1-ступінчаста 4x4 | 136 hp | 1-ступінчаста | 4x4 |
Interesting Facts
- The EJ20F was known for its reliability and performance in rallying.
- It features a unique flat-four engine design that lowers the center of gravity.
Applications
Total produced: null
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Subaru Impreza | GDA | 2000-2005 | 150hp/250hp | Europe, USA, Asia |
Compatible transmissions: 5-speed Manual, 4-speed Automatic
Drive types: AWD
Fuel Economy
| Fuel Type | Petrol 95 |
| Octane Rating | Minimum: 95 | Recommended: 98 |
| Consumption (City) | 12 L/100km |
| Consumption (Highway) | 8 L/100km |
| Consumption (Combined) | 10 L/100km |
| Real Consumption | 11 L/100km |
| Fuel Tank Capacity | 60 L |
| Range | 600 km |
| Cost per 100 km | 15-20 USD |
Emissions Standards
| Emission Standard | Euro 4 |
| CO₂ Emissions | 220 g/km |
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| M54B30 | BMW | 2,996 cc | 231 hp | 300 Nm |
Pros
- Lower center of gravity compared to inline engines
- Good balance and handling characteristics
Cons
- Higher maintenance costs compared to naturally aspirated engines
- Turbo lag in lower RPMs