Segment:
        
        
            Compact Car / Sport Compact
        
     
    
        
            Usp:
        
        
            Standard All-Wheel Drive, sporty handling, practical hatchback/sedan options, WRX/STI performance variants
        
     
    
    
        
            Competitors:
        
        
            Honda Civic, Toyota Corolla, Mazda3, Volkswagen Golf/Jetta, Mitsubishi Lancer
        
     
    
    
        
            Drivetrain:
        
        
            Symmetrical All-Wheel Drive (SAWD) standard across most trims
        
     
    
        
            Body Styles:
        
        
            4-door Sedan, 5-door Hatchback
        
     
    
        
            Performance Variants:
        
        
            WRX, WRX STI
        
     
 
    
    
    
        
            Continents:
        
        
            Global (North America, Europe, Asia, Australia)
        
     
    
        
            Regions:
        
        
            All markets served by Subaru
        
     
    
    
        
            Total Pages:
        
        
            Hundreds (exact count varies by factory publication, typically 1000+ for complete sets)
        
     
    
    
        
            Type:
        
        
            Factory Service Manual / Workshop Manual
        
     
    
    
    
    
        
            Format:
        
        
            Digital Download (PDF)
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine mechanical, fuel system, ignition system, exhaust system, cooling system, lubrication system, turbocharging (where applicable)
        
     
    
        
            Transmission:
        
        
            Manual Transmission (MT), Automatic Transmission (AT), Continuous Variable Transmission (CVT) (model dependent)
        
     
    
        
            Drivetrain:
        
        
            All-Wheel Drive (AWD) system, differentials, driveshafts, axles
        
     
    
        
            Chassis:
        
        
            Suspension (front and rear), steering system, braking system, wheels and tires
        
     
    
        
            Electrical:
        
        
            Body electrical, engine electrical, lighting, instruments, audio system, power accessories, multiplex communication systems (CAN bus)
        
     
    
        
            Body:
        
        
            Body construction, exterior panels, interior trim, HVAC system, safety systems (airbags, seatbelts)
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, fluid changes, filter replacements, lubrication
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures, common faults, symptom-based troubleshooting charts
        
     
    
        
            Repair:
        
        
            Component removal, installation, adjustment, overhaul, and replacement
        
     
    
        
            Diagnostics:
        
        
            OBD-II diagnostic codes, sensor testing, actuator testing, scan tool procedures
        
     
    
        
            Specifications:
        
        
            Torque specifications, clearances, measurements, tolerances
        
     
    
    
        
            Depth:
        
        
            Comprehensive (from basic maintenance to full engine/transmission rebuilds and complex electrical diagnostics)
        
     
 
    
    
    
        
            Engine Code:
        
        
            EJ253 (Naturally Aspirated), EJ255 (WRX), EJ257 (STI)
        
     
    
        
            Engine Type:
        
        
            Horizontally Opposed (Boxer) 4-Cylinder
        
     
    
        
            Displacement:
        
        
            2.5 Liters (2457 cc)
        
     
    
    
        
            Horsepower Na:
        
        
            Approx. 170 hp @ 5600 rpm (EJ253)
        
     
    
        
            Torque Na:
        
        
            Approx. 170 lb-ft @ 4400 rpm (EJ253)
        
     
    
        
            Horsepower Wrx:
        
        
            Approx. 265 hp @ 6000 rpm (EJ255)
        
     
    
        
            Torque Wrx:
        
        
            Approx. 244 lb-ft @ 2000 rpm (EJ255)
        
     
    
        
            Horsepower Sti:
        
        
            Approx. 305 hp @ 6000 rpm (EJ257)
        
     
    
        
            Torque Sti:
        
        
            Approx. 290 lb-ft @ 3600 rpm (EJ257)
        
     
    
    
        
            Fuel Delivery:
        
        
            Sequential Multi-Port Fuel Injection (MPI)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline, premium unleaded required for WRX/STI
        
     
    
        
            Emissions:
        
        
            EPA Tier 2 Bin 5 / CARB LEV II
        
     
 
    
    
    
        
            Transmission Type:
        
        
            5-speed Manual Transmission (MT)
        
     
    
    
        
            Transmission Type:
        
        
            CVT (certain markets and trims, less common for this model year)
        
     
    
    
        
            AWD System Mt:
        
        
            Viscous coupling center differential (VCD) with mechanical front/rear LSD (MT) or VCD with electronically controlled hydraulic AWD coupling (AT)
        
     
    
        
            AWD System Sti:
        
        
            Driver Controlled Center Differential (DCCD) with mechanical front/rear LSDs
        
     
 
    
    
    
        
            Length Sedan:
        
        
            4580 mm (180.3 in)
        
     
    
        
            Length Hatchback:
        
        
            4415 mm (173.8 in)
        
     
    
    
        
            Height Sedan:
        
        
            1465 mm (57.7 in)
        
     
    
        
            Height Hatchback:
        
        
            1475 mm (58.1 in)
        
     
    
        
            Wheelbase:
        
        
            2620 mm (103.2 in)
        
     
    
        
            Ground Clearance:
        
        
            140 mm (5.5 in) (standard), 145 mm (5.7 in) (WRX), 135 mm (5.3 in) (STI)
        
     
    
    
        
            Cargo Volume Sedan:
        
        
            Approx. 13.1 cu ft
        
     
    
        
            Cargo Volume Hatchback:
        
        
            Approx. 19.1 cu ft (seats up)
        
     
    
    
        
            Curb Weight Min:
        
        
            Approx. 1440 kg (3175 lbs)
        
     
    
        
            Curb Weight Max:
        
        
            Approx. 1530 kg (3373 lbs)
        
     
 
    
    
    
        
            NHTSA Front Crash:
        
        
            5-Star (Driver and Passenger)
        
     
    
        
            NHTSA Side Crash:
        
        
            5-Star (Front and Rear Passengers)
        
     
    
    
    
    
        
            ABS:
        
        
            Standard Anti-lock Braking System (ABS)
        
     
    
        
            Ebd:
        
        
            Electronic Brake-force Distribution (EBD)
        
     
    
        
            Vsc:
        
        
            Vehicle Stability Control (VSC)
        
     
    
        
            Traction Control:
        
        
            Traction Control System (TCS)
        
     
    
    
        
            Airbags:
        
        
            Front airbags, front side-impact airbags, side-curtain airbags
        
     
    
        
            Seatbelts:
        
        
            3-point front and rear seatbelts with pre-tensioners and force limiters
        
     
    
        
            Child Anchors:
        
        
            LATCH (Lower Anchors and Tethers for Children) system
        
     
 
    
    
    
        
            Audio System:
        
        
            Standard AM/FM/CD/MP3 player with 4 or 6 speakers. Optional premium audio systems available with subwoofer.
        
     
    
        
            Navigation:
        
        
            Optional factory-installed navigation system available on higher trims.
        
     
    
    
        
            Cruise Control:
        
        
            Standard electronic cruise control
        
     
    
    
        
            Bluetooth:
        
        
            Available Bluetooth hands-free connectivity on select trims/packages.
        
     
    
        
            Usb:
        
        
            Optional USB audio input port available.
        
     
 
    
    
    
        
            Oil Change:
        
        
            Every 3,750 miles or 6 months (severe duty) or 7,500 miles or 12 months (normal duty)
        
     
    
        
            Air Filter Replacement:
        
        
            Every 15,000 miles or 12 months
        
     
    
        
            Cabin Filter Replacement:
        
        
            Every 15,000 miles or 12 months
        
     
    
        
            Spark Plug Replacement:
        
        
            105,000 miles (iridium tipped)
        
     
    
        
            Timing Belt Replacement:
        
        
            105,000 miles (Not applicable for EJ253/EJ255/EJ257 which use timing chains)
        
     
    
    
        
            Engine Oil Viscosity:
        
        
            0W-20 or 5W-30 (API Certified)
        
     
    
        
            Engine Oil Capacity:
        
        
            4.5 US quarts (4.3 L) with filter (EJ253/EJ255), 5.1 US quarts (4.8 L) with filter (EJ257)
        
     
    
        
            Coolant:
        
        
            Subaru Super Coolant (Blue) or equivalent silicate-free, long-life coolant
        
     
    
        
            Transmission Fluid Mt:
        
        
            Subaru Extra-S Manual Transmission Fluid or equivalent API GL-5
        
     
    
        
            Transmission Fluid At:
        
        
            Subaru ATF HP (High Performance)
        
     
    
        
            Differential Fluid Front:
        
        
            Subaru Gear Oil API GL-5
        
     
    
        
            Differential Fluid Rear:
        
        
            Subaru Gear Oil API GL-5
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 brake fluid
        
     
    
    
        
            Head Gaskets:
        
        
            While EJ253 engines are less prone than earlier EJ25s, head gasket leaks can still occur. EJ255/EJ257 are generally more robust but require proper maintenance.
        
     
    
        
            Clutch Wear:
        
        
            Normal wear and tear for manual transmissions, especially with spirited driving. WRX/STI clutches are designed for performance but have finite life.
        
     
    
        
            Oil Consumption:
        
        
            Some EJ series engines can exhibit higher oil consumption. Regular checks are advised.
        
     
    
        
            Catalytic Converter Failure:
        
        
            Can occur due to engine misfires or oil contamination, especially in higher mileage vehicles.
        
     
 
    
    
    
        
            Brand Focus:
        
        
            Subaru is renowned for its engineering, particularly its Symmetrical All-Wheel Drive and horizontally opposed Boxer engines.
        
     
    
    
        
            Third Generation:
        
        
            The 2009 Impreza marks the beginning of the third generation (GE/GH/GR/GV), introduced globally in 2007/2008. It represented a significant redesign with a new chassis and styling, including the introduction of a highly popular 5-door hatchback variant.
        
     
    
    
        
            Manufacturing Locations:
        
        
            Japan (Gunma Plant)
        
     
    
        
            Production Period:
        
        
            2007-2011 (Third Generation)
        
     
 
    
    
    
        
            IIHS Top Safety Pick:
        
        
            Often received Top Safety Pick awards from the IIHS for its safety performance.
        
     
    
        
            Kelley Blue Book:
        
        
            Praised by automotive reviewers for its AWD capability, handling, and value, especially WRX/STI variants.
        
     
    
    
        
            Consumer Reports:
        
        
            Consumer Reports typically rates the Impreza's reliability as average to above average, with high marks for performance and handling.