Market Position:
Performance-oriented grand tourer positioned as a halo car for Mitsubishi, competing with established sports coupes.
Competitive Analysis:
Directly challenged models like the Nissan 300ZX (Z32), Toyota Supra (Mk III/IV), and Mazda RX-7 (FC/FD) with its advanced technology and powerful V6 engine.
Key Features:
Available All-Wheel Drive (AWC), Active Aerodynamics (Deployable front air dam and rear wing), Four-Wheel Steering (4WS), Twin-Turbocharged V6 engine options, advanced Electronic Control Suspension (ECS).
Systems Covered:
General Information, Engine, Fuel System, Cooling System, Intake and Exhaust Systems, Emission Control, Clutch, Manual Transaxle, Automatic Transaxle, Propeller Shaft, Front Axle, Rear Axle, Wheels and Tires, Power Plant Mounts, Front Suspension, Electronic Control Suspension, Rear Suspension, Service Brakes, Parking Brakes, Steering, 4-Wheel Steering System (4WS), Body, Exterior, Interior, Heater, Air Conditioner, Ventilation
Procedures Included:
Step-by-step repair instructions, troubleshooting, maintenance procedures, rebuilding, refurbishing, restoration, diagnostics, wiring schematics, exploded diagrams, component replacement, adjustments
Technical Depth:
Comprehensive (suitable for DIY and experienced mechanics), including detailed diagrams and illustrations
Wiring Schematics Included:
Yes, comprehensive wiring diagrams for all major electrical systems.
Diagrams Illustrations Included:
Yes, detailed exploded views and illustrations for repair procedures.
Primary Engine:
6G72 SOHC V6 (Naturally Aspirated)
Engine Variants:
6G72 MIVEC DOHC Twin-Turbo V6
Displacement:
3.0 Liters (2972 cc)
Horsepower Na:
222 hp @ 6000 rpm
Torque Na:
200 lb-ft @ 4500 rpm
Horsepower Tt:
300 hp @ 6000 rpm
Torque Tt:
307 lb-ft @ 4500 rpm
Fuel System:
Multi-point Fuel Injection (MPI)
Ignition System:
Distributorless Electronic Ignition System (Direct Ignition System)
Compression Ratio Na:
9.0:1
Compression Ratio Tt:
8.0:1
Cooling System Type:
Water-cooled, pressurized system with engine-driven fan or electric fan.
Standard Transmission:
5-Speed Manual Transaxle
Optional Transmission:
4-Speed Automatic Transaxle with electronically controlled overdrive
Clutch Type:
Hydraulic actuation, twin-plate for Twin-Turbo models
AWD System:
Mitsubishi All-Wheel Control (AWC) with viscous coupling center differential and electronically controlled clutch pack for rear torque distribution (on AWD models)
Gear Ratios Manual Na:
Refer to manual for specific ratios (typically: 1st 3.538, 2nd 2.045, 3rd 1.370, 4th 1.000, 5th 0.765, Reverse 3.545)
Gear Ratios Manual Tt:
Refer to manual for specific ratios (typically: 1st 3.538, 2nd 2.045, 3rd 1.370, 4th 1.000, 5th 0.765, Reverse 3.545)
Gear Ratios Automatic:
Refer to manual for specific ratios (typically: 1st 2.785, 2nd 1.545, 3rd 1.000, 4th 0.708)
NHTSA Ratings:
Not explicitly rated by NHTSA for this model year in the current format. Early 90s vehicles generally lacked standardized testing.
Active Features:
Anti-lock Braking System (ABS) standard on all models, Mitsubishi All-Wheel Control (AWC) available, Four-Wheel Steering (4WS).
Passive Features:
Driver and passenger front airbags, front and rear crumple zones, reinforced cabin structure.
Infotainment Features:
Factory radio with cassette player, optional CD player, analog gauges with digital odometer display.
Driver Assistance Features:
ABS, 4-Wheel Steering (4WS), Electronic Control Suspension (ECS) with multiple selectable modes (Tour, Sport, Super-Sport), Active Aerodynamics.
Connectivity Features:
N/A (No modern connectivity features like Bluetooth or USB).
Oil Change Interval:
Every 3,750 - 7,500 miles (depending on oil type and driving conditions) or 6 months.
Timing Belt Replacement:
Every 60,000 miles or 4-5 years (critical for 6G72 engine due to interference design).
Spark Plug Replacement:
Every 30,000 - 60,000 miles (depending on plug type).
Engine Oil Type:
API SG, SF, SH or ILSAC GF-1, GF-2 specification, SAE 10W-30 or 10W-40 (check owner's manual for precise recommendations).
Coolant Type:
Mitsubishi DIANATHERM Long Life Coolant (Green) or equivalent mixture of antifreeze and distilled water (50/50).
Transmission Fluid Manual:
API GL-3 or GL-4, SAE 75W-90 Gear Oil.
Transmission Fluid Automatic:
DIAQUEEN ATF SP-III or equivalent.
Brake Fluid Type:
DOT 3 or DOT 4
Known Issues:
Timing belt failure due to lack of timely replacement, rear main seal leaks, active aerodynamic system malfunctions, ECS strut leaks, turbocharger issues on twin-turbo models, catalytic converter failure, HVAC system component wear (e.g., blower motor resistor, blend door actuators).
Engine Oil Capacity With Filter:
5.3 US quarts (5.0 Liters)
Coolant Capacity:
8.3 US quarts (7.9 Liters)
Manual Transmission Fluid Capacity:
2.4 US quarts (2.3 Liters)
Automatic Transmission Fluid Capacity:
6.8 US quarts (6.4 Liters)
Brand Heritage:
Mitsubishi, a global automotive manufacturer with a history of performance vehicles and innovative technology, including rally racing heritage with the Lancer Evolution series.
Model Evolution:
The 3000GT (also known as GTO in Japan) was introduced in 1990 as a flagship sports car, designed to compete in the growing market of high-performance coupes. The 1993 model year saw revisions to styling, suspension tuning, and engine management.
Production Years:
1990-1999
Manufacturing Location:
Japan