🏷️ Basic Information Identification Make: Subaru Model: Impreza WRX Year: 2011 Codes Chassis Code: GE/GH/GR/GV Series 👋 Introduction Market Position Segment: Performance Compact Sedan/Hatchback Usp: All-wheel drive, turbocharged engine, rally-bred heritage Competitive Analysis Competitors: Mitsubishi Lancer Evolution, Volkswagen Golf GTI, Ford Focus RS (depending on region/trim) Key Features Performance Focus: Designed for enthusiasts seeking sporty driving dynamics and all-weather capability. 📋 Manual Details Coverage Areas Scope: Bumper-to-bumper repair and maintenance Page Count Estimated Pages: 1500+ Manual Type Type: Factory Service Manual / Repair Manual Language Language: English Format Format: Digital Download (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, transmission, drivetrain, exhaust Chassis: Suspension, steering, brakes, wheels, tires Electrical: Wiring diagrams, lighting, audio, comfort controls, starting and charging system Body: Exterior panels, interior trim, climate control, safety restraints (SRS) Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements Diagnostics: Troubleshooting guides, symptom-based diagnostics, DTC (Diagnostic Trouble Code) interpretation Repair: Component removal, installation, adjustment, rebuilding procedures Specifications: Torque values, clearances, fluid capacities, electrical specifications Technical Depth Depth: Comprehensive: From basic adjustments to complete engine and transmission overhauls, including electrical system diagnostics and body repair. 📊 Manual Specifications File Format File Type: PDF Print Quality Quality: High-resolution, searchable text and images Binding Type Binding: N/A (Digital Download) Paper Type Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: EJ255 Engine Type: 2.5L Horizontally-Opposed Turbocharged DOHC 16-Valve Flat-Four Performance Horsepower: 305 hp @ 6000 rpm Torque: 290 lb-ft @ 4000 rpm Fuel System Fuel Delivery: Multi-port Fuel Injection (MPI) with Electronic Throttle Control (ETC) Recommended Fuel: Premium Unleaded (91 octane or higher) Engine Management ECU Type: Denso ECU with CAN communication 🔧 Transmission Standard Transmission Type: 6-speed Manual Transmission Optional Transmission Type: None for WRX model in 2011 Features Drivetrain: Symmetrical All-Wheel Drive (AWD) with Driver Controlled Center Differential (DCCD) on some trims/options Fluid Spec Manual Transmission Fluid: Subaru Gear Oil API GL-5 75W-90 Fluid Capacity Manual Transmission Capacity: Approx. 2.1 Liters (2.2 US Quarts) 📐 Dimensions Exterior Length: Sedan: 179.5 in / Hatchback: 174.0 in Width: 70.7 in Height: Sedan: 57.9 in / Hatchback: 57.1 in Wheelbase: 103.0 in Weights Curb Weight Sedan: Approx. 3,250 lbs Curb Weight Hatchback: Approx. 3,270 lbs 🛡️ Safety Features Ratings NHTSA Front Crash Rating: 5 Stars IIHS Top Safety Pick: Yes Active Features ABS: Standard Anti-lock Braking System Traction Control: Standard Stability Control: Standard Vehicle Dynamics Control (VDC) Passive Features Airbags: Front, side-curtain, and front-seat side airbags Seatbelts: 3-point front and rear seatbelts with pretensioners and load limiters 💡 Technology Features Infotainment Head Unit: Standard CD player with MP3 capability, auxiliary input, and optional navigation system. Audio System: Available Rockford Fosgate premium audio system on some trims. Driver Assistance Cruise Control: Standard electronic cruise control. Instrument Cluster: Performance-oriented gauges, including boost gauge. Connectivity Bluetooth: Optional Bluetooth hands-free connectivity on higher trims. 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,750 miles or 6 months (under severe driving conditions) or 7,500 miles or 12 months (under normal driving conditions). Engine Air Filter: Inspect every 15,000 miles, replace as needed. Cabin Air Filter: Inspect every 15,000 miles, replace as needed. Spark Plugs: Replace every 60,000 miles (iridium type). Fluid Specifications Engine Oil Spec: SAE 0W-30 Synthetic Engine Oil (API SN or higher) Coolant Spec: Subaru Super Coolant (Blue) or equivalent HOAT coolant Brake Fluid Spec: DOT 3 or DOT 4 brake fluid Known Issues Ring Land Failure: A concern in some EJ25 engines, particularly with aggressive tuning or poor maintenance. The manual details inspection procedures. Clutch Wear: Can be accelerated with spirited driving; manual provides replacement and adjustment procedures. Turbo Charger Issues: Requires proper oil changes and cool-down periods to ensure longevity. Manual covers inspection and potential repairs. 📚 Vehicle History Brand Heritage Rally Roots: Subaru's long and successful history in the World Rally Championship (WRC) directly influences the WRX's design and performance. Model Evolution Generation: Third Generation (GR/GH/GV) - launched in 2008, this generation introduced the hatchback body style and saw significant chassis and powertrain updates. Production Manufacturing Location: Ota City, Gunma Prefecture, Japan 🏆 Awards & Recognition Recognitions Car And Driver 10Best: While the WRX itself didn't consistently make the 10Best list, the Impreza platform often received praise, and the WRX's performance variant earned accolades for its driving dynamics. Ratings Performance Reviews: Consistently praised by automotive journalists for its handling, grip, and powerful turbocharged engine. Certifications Emissions Compliance: Meets EPA and CARB emissions standards for its model year.