Segment:
Performance Sedan / Rally Homologation Special
Target Audience:
Enthusiasts, Performance Drivers, Service Technicians
Key Rivals:
Subaru Impreza WRX STI, Ford Focus RS, Mitsubishi Lancer Evolution VII/IX
Hallmarks:
Advanced All-Wheel Drive (Super AYC), Turbocharged Engine, Aggressive Styling, Rally Pedigree
Manual Purpose:
Empowering owners and technicians with detailed knowledge for maintenance and repair
Powertrain:
Engine, Transmission, Drivetrain (All-Wheel Drive System)
Chassis:
Suspension (Front & Rear), Steering, Brakes (ABS, EBD)
Electrical:
Wiring Diagrams, Lighting, Ignition, Charging System, ECUs, Power Accessories
Body:
Body Panels, Doors, Interior Trim, Exterior Trim, Climate Control
Diagnostics:
Troubleshooting Charts, DTC Codes, Diagnostic Procedures
Maintenance:
Oil Changes, Filter Replacements, Fluid Checks & Replacements, Spark Plug Service
Repair:
Engine Rebuild, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis & Replacement
Disassembly Assembly:
Complete step-by-step guides for all major components
Special Tools:
Identification and usage of Mitsubishi-specific tools
Depth:
Comprehensive (from basic maintenance to full engine/transmission rebuilds and advanced diagnostics)
Detail Level:
Detailed torque specifications, clearances, and alignment data
Engine Type:
2.0L Inline-4 DOHC 16-Valve Turbocharged
Bore X Stroke:
85.0 mm x 88.0 mm
Horsepower Hp:
271 hp @ 6500 rpm (US Spec)
Torque Lb-Ft:
273 lb-ft @ 3500 rpm (US Spec)
Fuel Delivery:
Electronic Fuel Injection (EFI) with Sequential Port Injection
Fuel Type:
Unleaded Premium (91+ Octane Recommended)
Turbocharger:
Mitsubishi TD05H-16G
Intercooler:
Air-to-Air Front-Mounted
NHTSA Frontal Crash Rating:
Not explicitly rated for all trims/years, generally good for its era.
IIHS Ratings:
Varies by year and specific test, often Good for frontal offset.
ABS:
Standard Anti-lock Braking System
Ebd:
Standard Electronic Brake-force Distribution
Traction Control:
Active Traction Control (ATC)
Airbags:
Frontal airbags for driver and passenger; optional side airbags.
Seatbelts:
3-point front and rear seat belts with pre-tensioners
Body Structure:
Reinforced safety cage construction
Audio System:
Factory AM/FM CD player with 6 speakers (optional Rockford Fosgate premium audio).
Climate Control:
Manual or automatic climate control depending on trim.
Ayc System:
Advanced All-Wheel Drive system with electronically controlled torque distribution and rear differential vectoring (Super AYC).
Driver Modes:
Driver-selectable modes for AYC (Tarmac, Gravel, Snow) affecting torque distribution.
Connectivity Features:
Limited by era; typically includes power outlets and antenna for radio.
Oil Change Interval:
Every 3,750 miles or 6 months (severe duty) / 7,500 miles or 12 months (normal duty)
Engine Air Filter:
Inspect every 15,000 miles, replace as needed.
Spark Plugs:
Replace approximately every 30,000 - 60,000 miles depending on type.
Engine Oil Type:
SAE 5W-30 API SG or higher (Synthetic recommended)
Engine Oil Capacity Qts:
4.5 qts (with filter)
Coolant Type:
Mitsubishi DiaQueen Super Long Life Coolant (or equivalent ethylene glycol based)
Transmission Fluid Type:
API GL-4 SAE 75W-85 Hypoid Gear Oil (for manual transmission)
Transfer Case Fluid Type:
API GL-5 SAE 75W-90 Gear Oil
Rear Differential Fluid Type:
API GL-5 SAE 75W-90 Gear Oil (Super AYC fluid specific requirements apply)
Brake Fluid Type:
DOT 3 or DOT 4
Engine Reliability:
The 4G63 is generally robust, but can be susceptible to head gasket issues if overheated or modified without proper supporting mods. Timing belt maintenance is critical.
Drivetrain Wear:
AYC system components can wear over time, leading to potential leaks or reduced effectiveness. Regular fluid changes are crucial.
Clutch Life:
Depends heavily on driving style; aggressive driving can shorten clutch life.
Brand Origins:
Mitsubishi Motors Corporation, Japan, with a strong rally racing heritage.
Evo Lineage:
Direct descendant of Mitsubishi's World Rally Championship (WRC) Lancer rally cars.
Evo Viii Introduction:
Introduced in Japan in 2003, followed by North American market launch in 2003 for the 2004 model year.
Distinction From Evo Vii:
Key upgrades included a larger turbocharger, improved Super AYC system, and a 6-speed manual transmission.
Production Years:
2003-2005
Manufacturing Plant:
Mizushima Plant, Kurashiki, Okayama, Japan
