Comprehensive: Covers routine maintenance to complete engine and transmission rebuilds, advanced electrical diagnostics
📊 Manual Specifications
File Format
File Type:
PDF
Print Quality
Resolution:
High resolution, suitable for printing
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper:
N/A (Digital Download)
Searchability
Text Search:
Yes, text-searchable PDF
Printability
Printable:
Yes, allows printing of individual pages or the entire document
⚙️ Engine Specifications
Primary Engine
Engine Code:
EJ255
Engine Type:
2.5L Turbocharged Flat-4 (Boxer)
Displacement:
2457 cc
Bore X Stroke:
99.5 mm x 79.0 mm
Compression Ratio:
8.4:1
Performance
Horsepower Net:
227 hp @ 5600 rpm
Torque Net:
247 lb-ft @ 3600 rpm
Fuel System
Fuel Delivery:
Multi-point Fuel Injection (MPI) with Turbocharger
Recommended Fuel:
Premium Unleaded (91 octane or higher recommended)
Engine Management
ECU Type:
Subaru Immobilizer System compatible ECU
🔧 Transmission
Standard
Type:
5-speed Manual Transmission (5MT)
Optional
Type:
Not available for WRX model year 2005
Features
Drivetrain:
Symmetrical All-Wheel Drive with Viscous Center Differential (VCD)
Gear Ratios:
Specific ratios provided in manual
Fluid Specifications
Manual Transmission Fluid:
Subaru Extra Gear Oil API GL-5 75W-90 (or equivalent)
📐 Dimensions
Exterior
Length:
Approx. 4415 mm (173.8 in)
Width:
Approx. 1700 mm (66.9 in)
Height:
Approx. 1440 mm (56.7 in)
Wheelbase:
Approx. 2515 mm (99.0 in)
Weights
Curb Weight:
Approx. 1385 kg (3053 lbs)
Gross Vehicle Weight:
N/A (Refer to vehicle placard)
Cargo
Trunk Volume:
Approx. 12.3 cu ft (Sedan)
🛡️ Safety Features
Ratings
NHTSA Front Driver:
Good (for applicable testing)
NHTSA Front Passenger:
Good (for applicable testing)
Active Features
ABS:
Standard (4-wheel anti-lock braking system)
Traction Control:
Standard
AWD:
Standard (Symmetrical All-Wheel Drive)
Passive Features
Airbags:
Driver and Front Passenger Airbags, Side Airbags (optional/standard depending on trim)
Seatbelts:
3-point front and rear seatbelts with pretensioners
Child Seat Anchors:
LATCH system
💡 Technology Features
Infotainment
Head Unit:
Factory AM/FM/CD player (with optional premium sound)
Speaker System:
6-speaker system standard
Driver Assistance
Cruise Control:
Standard
Connectivity
Auxiliary Input:
Not standard, aftermarket options available
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles or 3 months (severe duty) / 7,500 miles or 6 months (normal duty) - consult manual for specifics
Timing Belt Replacement:
Every 105,000 miles or 105 months (critical component)
Spark Plug Replacement:
Every 30,000 miles (NGK PFR6G recommended)
Fluid Specifications
Engine Oil Type:
SAE 5W-30 Synthetic (API SN or newer, ILSAC GF-5 or newer recommended)
Coolant Type:
Subaru Genuine Coolant (Blue) or equivalent long-life coolant (50/50 mix)
Brake Fluid Type:
DOT 3 or DOT 4
Known Issues
Head Gaskets:
Early EJ engines (pre-2005) known for head gasket issues; 2005 models generally improved but still a potential concern. Manual details inspection and replacement.
Ring Land Failure:
Can occur on high-mileage or heavily modified EJ25 engines, especially with aggressive tuning. Manual provides engine teardown and inspection guidance.
Clutch Wear:
Performance-oriented nature can lead to faster clutch wear with aggressive driving. Manual details clutch inspection and replacement procedures.
📚 Vehicle History
Brand Heritage
Subaru Rally Success:
Multiple WRC Manufacturer and Driver Championships, establishing Subaru's performance reputation
Model Evolution
Gd Generation Intro:
Second generation Impreza, launched globally in late 2000, with WRX variant refined for higher performance
Facelift 2005:
The 2005 model year represents a mid-cycle facelift for the second-generation Impreza, featuring updated styling (e.g., 'bug-eye' to 'hawkeye' headlights and grille) for WRX models.
Production
Manufacturing Location:
Japan
🏆 Awards & Recognition
Recognitions
Car And Driver 10Best:
Impreza WRX (various generations) has been a perennial contender and winner of Car and Driver's 10Best list for its performance value.
Ratings
Sport Compact Car Of The Year:
Often cited in awards for its class during its production run.