2009 Subaru Impreza WRX STi Wagon Performance & Efficiency Standard Features
- Turbo compressor
- 2,457 cc 2.5 liters horizontal 4 front engine with 99.5 mm bore, 79.0 mm stroke, 8.2 compression ratio, double overhead cam, variable valve timing/camshaft and four valves per cylinder EJ255
- Premium unleaded fuel 93
- Multi-point injection fuel system
- 16.9 gallon main premium unleaded fuel tank 14.1
- Power: 227 kW , 305 HP SAE @ 6,000 rpm; 290 ft lb , 393 Nm @ 4,000 rpm

2009 Subaru Impreza WRX STi Wagon Handling, Ride & Braking Standard Features
- ABS
- Brake assist system
- Center differential lock
- Four disc brakes including four ventilated discs
- Electronic brake distribution
- Electronic traction control via ABS & engine management
- Immobilizer
- Center limited slip differential
- Spacesaver steel rim spare wheel
- Stability control
- Strut front suspension independent with stabilizer bar and coil springs, wishbone rear suspension independent with stabilizer bar and coil springs

2009 Subaru Impreza WRX STi Wagon Exterior & Aerodynamics Standard Features
- Painted front and rear bumpers
- Day time running lights
- Driver and passenger power partial-painted door mirrors indicator lights
- External dimensions: overall length (inches): 173.8, overall width (inches): 68.5, overall height (inches): 58.1, wheelbase (inches): 103.1, front track (inches): 60.2, rear track (inches): 60.6 and curb to curb turning circle (feet): 36.1
- Projector beam lens Xenon bulb headlights
- Luxury trim leather on gearknob, alloy look on doors and alloy look on dashboard
- Mica paint
- Fixed rear window with defogger and intermittent
- Roof spoiler
- Weights: curb weight (lbs) 3,142
- Windshield wipers with variable intermittent wipe

2009 Subaru Impreza WRX STi Wagon Interior Standard Features
- 12v power outlet: front
- Air conditioning with climate control 1 and auto
- Roof antenna
- Anti-theft protection
- RDS audio system with AM/FM, Disc Autochanger and six-disc remote changer CD player reads MP3
- Cargo area cover/rear parcel shelf
- Cargo capacity: rear seat down (cu ft): 44.4 and all seats in place (cu ft): 19.0
- Clock
- Computer with average fuel consumption
- Floor console
- Delayed/fade courtesy lights
- Cruise control
- Front seats cup holders
- External temperature
- Floor mats
- Driver front airbag with multi-stage deployment, passenger front airbag with occupant sensors and multi-stage deployment
- Sports driver seat with height adjustment manual, sports passenger seat
- Height adjustable 3-point reel front seat belts on driver seat and passenger seat with pre-tensioners
- Front seat center armrest
- Two head restraints on front seats, three height adjustable head restraints on rear seats
- Internal dimensions: front headroom (inches): 40.3, rear headroom (inches): 37.6, front hip room (inches): 53.4, rear hip room (inches): 53.3, front leg room (inches): 43.5, rear leg room (inches): 33.5, front shoulder room (inches): 54.8, rear shoulder room (inches): 53.2 and interior volume (cu ft): 94.4
- Low tire pressure indicator
- Remote power locks includes trunk/hatch
- Power steering
- Front power windows with one one-touch, rear power windows
- Front reading lights
- Height adjustable 3-point reel rear seat belts on driver side, height adjustable 3-point reel rear seat belts on passenger side, 3-point reel rear seat belts on center side
- Three asymmetrical bench front facing rear seats with zero adjustments
- Rear view mirror
- Steering wheel mounted remote audio controls
- Front and rear side curtain airbag
- Alcantara seat upholstery with additional leather
- Seating: five seats
- Front side airbag
- Ten speaker(s)
- Leather covered steering wheel with tilt adjustment and telescopic adjustment
- Tachometer
- Driver and passenger vanity mirror
- Ventilation system with micro filter