Segment:
Compact Car / Performance Sedan/Wagon
Key Competitors:
Honda Civic Si, Mitsubishi Lancer, Mazda3, Toyota Corolla
Differentiator:
Standard Symmetrical All-Wheel Drive (AWD) system, rally-bred heritage, robust naturally aspirated engine.
Manual Type:
Full Service and Repair Manual
Format:
Digital (likely PDF, though not explicitly stated, common for online sales)
Manual Scope:
Comprehensive Service, Maintenance, and Troubleshooting
Powertrain:
Engine (2.5L Naturally Aspirated), Transmission (Manual & Automatic), Drivetrain (All-Wheel Drive)
Chassis:
Suspension (Front MacPherson Strut, Rear Independent Multi-Link), Steering (Power Rack and Pinion), Brakes (Front Ventilated Discs, Rear Solid Discs)
Electrical:
Engine Control Module (ECM), Body Control Module (BCM), Lighting, Instrumentation, Power Accessories, Audio System, Anti-Theft System
Body:
Exterior Body Panels, Interior Trim, Doors, Windows, Seats, HVAC System
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Replacement, Belt Inspection and Replacement
Repair:
Engine Overhaul, Transmission Rebuild, Brake System Repairs, Suspension Component Replacement, Electrical Component Diagnosis and Replacement
Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-based diagnosis, Component testing
Diagnostics:
OBD-II diagnostics, Sensor testing, Actuator testing
Depth Level:
Comprehensive: Covers basic maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and specifications.
Engine Type:
Naturally Aspirated Boxer-4 (Horizontally Opposed)
Displacement:
2.5 Liters (2457 cc)
Bore X Stroke:
99.5 mm x 79.0 mm
Valve Train:
DOHC (Dual Overhead Camshafts), 16 Valves
Horsepower:
165 hp @ 5600 rpm
Torque:
166 lb-ft @ 3600 rpm
Fuel Delivery:
Electronic Port Fuel Injection (MPI)
Fuel Type:
Unleaded Regular (87 Octane Recommended)
Head Unit:
Factory AM/FM/CD Player (with optional CD changer)
Speaker System:
4-6 Speaker system depending on trim level
Climate Control:
Manual or Automatic Climate Control (Optional)
Aux Input:
Not standard, aftermarket installations common
Oil Change Interval:
Every 3,750 miles or 3 months, whichever comes first (severe conditions); 7,500 miles or 6 months (normal conditions).
Engine Oil Type:
Synthetic 5W-30 (API SG, SH, SJ, SL, SM or ILSAC GF-3 or higher)
Oil Capacity:
4.8 US quarts (4.5 liters) with filter
Air Filter Replacement:
Every 15,000 miles or 12 months
Spark Plug Replacement:
Every 30,000 miles (original equipment NGK plugs)
Coolant Replacement:
Every 30,000 miles or 24 months
Transmission Fluid Manual:
API GL-5, SAE 75W-90 (Subaru Extra-S or equivalent)
Transmission Fluid Automatic:
Dexron III/Mercon or Subaru ATF-HP
Power Steering Fluid:
Dexron III/Mercon or Subaru Genuine Power Steering Fluid
Brake Fluid:
DOT 3 or DOT 4
Engine:
Head gasket leaks (less common on 2.5L NA than turbos, but still possible), oil consumption
Suspension:
Worn control arm bushings, strut mounts
Electrical:
Alternator failure, immobilizer issues (rare)
Previous Generation Awards:
Subaru Impreza WRX models frequently received acclaim for performance and handling, influencing the brand's sporty image.
Vehicle Reliability:
Generally good, with specific attention needed for certain wear items as outlined in maintenance.
