The Subaru Impreza is a compact car known for its standard Symmetrical All-Wheel Drive (AWD) system, offering a compelling blend of performance, safety, and practicality, often appealing to enthusiasts and those in inclement weather regions.
Competitive Analysis
Competitive Analysis:
Competes with vehicles like the Honda Civic, Toyota Corolla, Mazda3, and Volkswagen Golf. Its AWD system is a key differentiator against many front-wheel-drive competitors in its class.
Key Features
Key Features:
Standard Symmetrical AWD, horizontally-opposed 'Boxer' engines for a lower center of gravity, robust chassis, available turbocharged variants (WRX models).
Unleaded gasoline (87 octane recommended for NA models)
Wrx Engine
Engine Code Wrx:
EJ255 (2.5L DOHC Turbocharged)
Horsepower Wrx:
265 hp @ 6,000 rpm
Torque Wrx:
244 lb-ft @ 4,000 rpm
Wrx Sti Engine
Engine Code Wrx Sti:
EJ257 (2.5L DOHC Turbocharged)
Horsepower Wrx Sti:
305 hp @ 6,000 rpm
Torque Wrx Sti:
290 lb-ft @ 4,000 rpm
🔧 Transmission
Standard
Standard Transmission Na:
5-speed manual
Optional
Optional Transmission Na:
4-speed automatic
Standard Wrx
Standard Transmission Wrx:
5-speed manual
Standard Wrx Sti
Standard Transmission Wrx Sti:
6-speed manual
Features
AWD System:
Symmetrical All-Wheel Drive with electronically controlled center differential (automatic) or viscous coupling center differential (manual).
Differential Wrx Sti:
Driver Controlled Center Differential (DCCD) on STI models for adjustable torque split.
📐 Dimensions
Exterior
Length Sedan:
179.5 inches (4559 mm)
Length Hatchback:
173.8 inches (4415 mm)
Width:
69.9 inches (1775 mm)
Height:
57.7 inches (1465 mm)
Wheelbase:
103.0 inches (2615 mm)
Cargo
Cargo Volume Sedan:
11.3 cu ft (320 L)
Cargo Volume Hatchback:
19.1 cu ft (541 L) (seats up)
Weights
Curb Weight 2.5I Auto:
3,080 lbs (1397 kg)
Curb Weight Wrx:
3,365 lbs (1526 kg)
🛡️ Safety Features
Ratings
NHTSA Front Impact Driver:
5 Stars
NHTSA Front Impact Passenger:
5 Stars
NHTSA Side Impact Front Seat Occupant:
5 Stars
NHTSA Side Impact Barrier Driver:
5 Stars
NHTSA Side Impact Barrier Rear Seat:
5 Stars
NHTSA Rollover Resistance:
4 Stars
IIHS Frontal Offset:
Good
IIHS Side Impact:
Good
IIHS Rear Impact:
Good
Active Features
Active Features:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD), Traction Control System (TCS), Vehicle Stability Control (VSC).
Passive Features
Passive Features:
Front dual-stage airbags, front side-impact airbags, side curtain airbags (front and rear), active front head restraints, 3-point seatbelts with pre-tensioners.
💡 Technology Features
Infotainment
Infotainment Standard:
Standard audio system with CD player, MP3 compatibility, and auxiliary input jack. Higher trims may offer optional premium audio systems.
Infotainment Optional:
Optional navigation system, Bluetooth hands-free phone connectivity, and iPod integration available on select trims.
Driver Assistance
Driver Assistance Features:
Standard Vehicle Stability Control (VSC) and Traction Control System (TCS) are key driver assistance features. ABS and EBD are also standard.
Connectivity
Connectivity Options:
Auxiliary audio input, optional Bluetooth, and optional USB port for iPod connectivity.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Every 3,750 miles (6,000 km) or 3 months, whichever comes first, for severe driving conditions; 7,500 miles (12,000 km) or 6 months for normal driving (refer to owner's manual for specific recommendations based on engine and driving habits).
Engine Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months, or as needed based on dusty conditions.
Cabin Air Filter Replacement:
Every 15,000 miles (24,000 km) or 12 months.
Spark Plug Replacement:
Iridium-tipped plugs: 105,000 miles (168,000 km).
Coolant Replacement:
Initial change at 30,000 miles (48,000 km) or 24 months, then every 30,000 miles (48,000 km) or 24 months thereafter.
Fluid Specifications
Engine Oil Specification:
SAE 0W-20 synthetic (preferred), SAE 5W-30 conventional or synthetic.
Engine Oil Capacity:
4.8 quarts (4.5 liters) with filter for 2.5L NA.
Coolant Type:
Subaru Super Coolant (Blue) or equivalent ethylene glycol-based coolant, mixed 50/50 with distilled water.
Transmission Fluid Manual:
API GL-5, SAE 75W-90 gear oil.
Transmission Fluid Automatic:
Subaru ATF HP (High Performance) or equivalent DEXRON-III compatible fluid.
Differential Fluid Front Rear:
API GL-5, SAE 75W-90 gear oil.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Known Issues
Known Issues Head Gaskets:
While less prevalent than in older EJ engines, head gasket leaks can still occur, particularly with high-mileage vehicles or those subjected to aggressive driving.
Known Issues Clutch Wear:
Manual transmission clutches can wear prematurely with aggressive driving or heavy-duty use.
Known Issues Catalytic Converter:
Early failure of the catalytic converter can occur due to various engine issues or fuel quality.
Known Issues ABS Sensors:
ABS wheel speed sensors can fail, leading to ABS, VDC, and traction control warning lights.
Known Issues Oil Leaks:
Rear main crankshaft seal and oil pan gasket leaks are not uncommon on EJ series engines.
📚 Vehicle History
Brand Heritage
Brand Heritage:
Subaru, a division of Subaru Corporation (formerly Fuji Heavy Industries), has a long history of producing reliable vehicles, with a particular focus on Symmetrical All-Wheel Drive and horizontally-opposed 'Boxer' engines, stemming from its aerospace engineering roots.
Model Evolution
Model Evolution:
The third generation Impreza (2007-2011) represented a significant redesign with a new platform and styling. It was offered in sedan and hatchback body styles, with WRX and WRX STI performance variants maintaining their rally-inspired heritage.
Production
Production Locations:
Japan (Ota, Gunma Prefecture) and United States (Lafayette, Indiana).
🏆 Awards & Recognition
Recognitions
IIHS Top Safety Pick:
The 2009 Subaru Impreza received an IIHS Top Safety Pick award.
Car And Driver 10Best:
While specific awards for the 2009 model vary, the Impreza WRX/STI has historically been recognized by automotive publications for its performance and handling capabilities.
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