Segment:
Compact Performance Sedan/Wagon
Niche:
Affordable performance, rally-inspired, AWD capability
Competitors 2006 2007:
Mitsubishi Lancer Evolution, Volkswagen GTI, Mazdaspeed3
Performance Heritage:
Direct lineage from Subaru's WRC (World Rally Championship) success
Drivetrain:
Symmetrical All-Wheel Drive system providing exceptional traction and handling
Engine Type:
Turbocharged Boxer engine
Body Style:
Available as Sedan (4-door) and Wagon (5-door)
Powertrain:
Engine (EJ255), Turbocharger, Fuel System, Exhaust System, Transmission (5-speed Manual AWD)
Chassis:
Suspension (Front: MacPherson Strut, Rear: Multi-link), Steering, Brakes (Front: Ventilated Discs, Rear: Solid Discs), Drivetrain (Symmetrical All-Wheel Drive)
Electrical:
Engine Control Module (ECM), Ignition System, Lighting, Instrumentation, HVAC Controls, Power Accessories, Body Control Module (BCM), Audio System
Body:
Exterior Body Panels, Doors, Hood, Trunk, Bumpers, Glass, Interior Trim, Seats
Maintenance:
Scheduled maintenance, Oil changes, Filter replacements, Fluid checks and changes, Spark plug replacement, Belt inspections and replacement
Diagnostics:
Troubleshooting guides, Diagnostic Trouble Codes (DTCs) and their meanings, Pinpoint tests, System checks
Repair:
Engine overhaul, Transmission rebuild, Brake system repair, Suspension component replacement, Electrical component diagnosis and repair, Body panel repair
Disassembly Assembly:
Detailed step-by-step instructions for component removal and installation
Depth:
Comprehensive, covering from basic maintenance to complete engine and transmission rebuilds, including electrical schematics and diagnostic procedures.
Configuration:
2.5L DOHC 16-valve Turbocharged Boxer 4-cylinder
Horsepower Est Crank:
230 hp @ 5600 rpm (U.S. Spec)
Torque Est Crank:
235 lb-ft @ 3600 rpm (U.S. Spec)
Fuel Delivery:
Multi-point Fuel Injection (MPI), Sequential Electronic Fuel Injection (SEFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Coolant Type:
Subaru Super Coolant (Blue) or equivalent silicate-free antifreeze
Turbo Model:
IHI VF43 (for 2006-2007 WRX)
Type:
N/A (WRX model exclusively featured a manual transmission)
Drivetrain Layout:
Symmetrical All-Wheel Drive with Viscous Coupling Center Differential
Manual Transmission Fluid:
API GL-5, SAE 75W-90 Gear Oil (Subaru Extra-S recommended, but generic equivalent is acceptable)
Front Differential Fluid:
API GL-5, SAE 75W-90 Gear Oil
Rear Differential Fluid:
API GL-5, SAE 75W-90 Gear Oil (Viscous LSD type)
Length Sedan:
Approx. 173.4 inches (4405 mm)
Width Sedan:
Approx. 69.7 inches (1770 mm)
Height Sedan:
Approx. 57.0 inches (1450 mm)
Wheelbase:
Approx. 99.4 inches (2525 mm)
Curb Weight Sedan:
Approx. 3175 lbs (1440 kg)
Gross Vehicle Weight Rating Gvw:
Approx. 4167 lbs (1890 kg)
Trunk Volume Sedan:
Approx. 11.4 cubic feet (322 liters)
NHTSA Front Impact Driver:
5-Star (2006 Model Year)
NHTSA Front Impact Passenger:
5-Star (2006 Model Year)
IIHS Front Offset Driver:
Good (2006 Model Year)
IIHS Side Impact Driver:
Acceptable (2006 Model Year)
ABS:
Standard, 4-wheel Anti-lock Braking System with Electronic Brake-force Distribution (EBD)
Traction Control:
Standard
Stability Control:
N/A (Vehicle Dynamics Control - VDC - was not standard on WRX for these years)
Airbags Front:
Standard driver and front passenger airbags
Airbags Side:
Available front side-impact airbags (often optional or on higher trims)
Seatbelts:
3-point front and rear seatbelts, pretensioners, load limiters
Audio System:
Standard AM/FM/CD player with optional premium audio system (often 6-disc changer). Speaker configuration varies by trim.
Climate Control:
Manual or automatic climate control depending on trim level. The manual covers the HVAC system's components and diagnostics.
Cruise Control:
Standard feature on most models.
Power Accessories:
Power windows, power door locks, power mirrors. The manual details the electrical circuits for these systems.
Oil Change Interval:
Every 3,750 miles or 3.75 months (severe conditions) / 7,500 miles or 7.5 months (normal conditions), check owner's manual for specifics.
Engine Air Filter:
Inspect every 7,500 miles, replace as needed (typically every 15,000-30,000 miles).
Cabin Air Filter:
Inspect every 7,500 miles, replace as needed (typically every 15,000-30,000 miles).
Spark Plugs:
Replace approximately every 30,000-60,000 miles (refer to specific spark plug type recommended by Subaru).
Timing Belt:
N/A (These models use a timing chain).
Engine Oil Capacity:
Approx. 4.8 U.S. Quarts (4.5 Liters) with filter change. Use 5W-30 synthetic oil meeting API SM or SN specifications.
Coolant Capacity:
Approx. 7.0 U.S. Quarts (6.6 Liters)
Brake Fluid:
DOT 3 or DOT 4 brake fluid
Engine Blow By Issues:
Some EJ255 engines can experience blow-by issues, particularly if not maintained or driven aggressively. The manual covers diagnostic procedures for crankcase ventilation systems.
Clutch Wear:
As with any performance manual transmission, clutch wear is dependent on driving style. The manual details clutch inspection and replacement procedures.
Oil Consumption:
Some owners report higher than average oil consumption. Regular oil level checks are crucial, and the manual provides guidance on engine diagnostics.
Subframe Corrosion:
Rust and corrosion on the front and rear subframes can be an issue in certain climates. The manual will provide torque specs and procedures for subframe removal/installation if needed.
Subaru Legacy:
Subaru has a long-standing history of producing durable and capable vehicles, with a particular emphasis on AWD technology and rally racing.
Gd Gg Generation:
The 2006-2007 Impreza WRX belongs to the second generation (GD/GG chassis), which received a significant facelift for 2006, introducing the wider body style and updated styling.
Wrx Performance Focus:
The WRX model was positioned as the performance variant of the Impreza line, inheriting many attributes from Subaru's World Rally Championship success.
Manufacturing Location:
Japan
