The Mitsubishi Eclipse III (3G), specifically the facelifted version introduced in 2003, represented a significant evolution for the popular coupe and liftback. Produced from 2003 to 2005, this generation continued the Eclipse’s tradition of sporty styling and accessible performance. The 3.0 V6 variant, boasting 200 horsepower, occupied the top echelon of the lineup, offering a substantial performance upgrade over the base four-cylinder models. It was positioned as the enthusiast’s choice, appealing to buyers seeking a blend of power and relatively affordable pricing within the compact sports coupe segment. This model was primarily sold in North America, where the Eclipse enjoyed considerable popularity.
Technical Specifications
| Brand | Mitsubishi |
| Model | Eclipse |
| Generation | Eclipse III (3G, facelift 2003) |
| Type (Engine) | 3.0 V6 (200 Hp) |
| Start of production | 2003 |
| End of production | 2005 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe, Liftback |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 11.2 l/100 km (21 US mpg, 25.2 UK mpg, 8.9 km/l) |
| Fuel consumption (extra urban) | 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Weight-to-power ratio | 7.1 kg/Hp, 140.4 Hp/tonne |
| Weight-to-torque ratio | 5.1 kg/Nm, 195.1 Nm/tonne |
| Power | 200 Hp @ 5500 rpm |
| Power per litre | 67.3 Hp/l |
| Torque | 278 Nm @ 4000 rpm (205.04 lb.-ft. @ 4000 rpm) |
| Maximum engine speed | 6200 rpm |
| Engine layout | Front, Transverse |
| Engine Model/Code | 6G72 |
| Engine displacement | 2972 cm3 (181.36 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 91.1 mm (3.59 in.) |
| Piston Stroke | 76 mm (2.99 in.) |
| Compression ratio | 9:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 4.3 l (4.54 US qt | 3.78 UK qt) |
| Coolant capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Kerb Weight | 1425 kg (3141.59 lbs.) |
| Max. weight | 1820 kg (4012.41 lbs.) |
| Max load | 395 kg (870.83 lbs.) |
| Trunk (boot) space – minimum | 479 l (16.92 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Length | 4490 mm (176.77 in.) |
| Width | 1750 mm (68.9 in.) |
| Height | 1310 mm (51.57 in.) |
| Wheelbase | 2560 mm (100.79 in.) |
| Front track | 1510 mm (59.45 in.) |
| Rear track | 1510 mm (59.45 in.) |
| Ride height (ground clearance) | 150 mm (5.91 in.) |
| Minimum turning circle | 12.2 m (40.03 ft.) |
| Drivetrain Architecture | Front wheel drive |
| Number of gears | 5 |
| Gearbox type | Manual transmission |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
| Front brakes | Ventilated discs, 276×26 mm |
| Rear brakes | Disc, 262×10 mm |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | 215/50 R17 |
| Wheel rims size | 6.5J x 17 |
Powertrain & Engine Architecture
The heart of the 2003-2005 Mitsubishi Eclipse 3.0 V6 was the 6G72 engine, a 2.972-liter (181.36 cubic inch) naturally aspirated V6. This engine featured a single overhead camshaft (SOHC) valvetrain with four valves per cylinder. The 6G72 was a well-established design within Mitsubishi’s engine family, known for its durability and relatively smooth power delivery. Fuel delivery was handled by a multi-port fuel injection system, optimizing combustion efficiency. The engine produced 200 horsepower at 5500 rpm and 278 Nm (205.04 lb-ft) of torque at 4000 rpm. The engine’s 9:1 compression ratio was a compromise between performance and the ability to run on readily available gasoline grades. The 3.0L V6 was paired exclusively with a five-speed manual transmission in the US market, offering drivers full control over the engine’s power.
Driving Characteristics
The 3.0 V6 Eclipse offered a noticeable performance advantage over the base four-cylinder models. Acceleration was brisk, and the engine provided ample power for both city driving and highway passing maneuvers. The five-speed manual transmission allowed drivers to keep the engine in its optimal power band, maximizing performance. While not a track-focused sports car, the V6 Eclipse provided an engaging driving experience, with responsive steering and a reasonably well-tuned suspension. Compared to the automatic transmission equipped models, the manual offered a more direct connection to the engine and a more spirited driving feel. The front-wheel-drive configuration, while common for its class, did exhibit some torque steer under hard acceleration.
Equipment & Trim Levels
The 3.0 V6 Eclipse typically came with a more comprehensive list of standard features than the base models. These often included air conditioning, power windows and locks, a CD player, and alloy wheels. Higher trim levels, such as the GT, added features like a sunroof, upgraded audio systems, and leather upholstery. Optional extras included a premium sound system, and various cosmetic enhancements. The interior design was generally functional and driver-focused, with a clear instrument cluster and well-placed controls. The liftback configuration offered increased cargo versatility compared to the coupe body style.
Chassis & Braking
The Eclipse 3.0 V6 utilized an independent McPherson strut suspension in the front and an independent multi-link suspension in the rear. This setup provided a good balance of ride comfort and handling performance. Stabilizer bars were included at both ends to reduce body roll during cornering. Braking duties were handled by ventilated discs in the front and solid discs in the rear. The anti-lock braking system (ABS) was standard, enhancing safety and control during emergency braking situations. The suspension was tuned to provide a comfortable ride while still offering responsive handling characteristics.
Market Reception & Comparison
The 2003-2005 Mitsubishi Eclipse 3.0 V6 was generally well-received by automotive critics. It was praised for its strong engine performance, sporty styling, and relatively affordable price. However, some reviewers noted the interior materials were not as refined as those found in some competing models. Compared to other V6-powered coupes of the time, such as the Ford Mustang and Honda Prelude, the Eclipse offered a unique blend of performance and practicality. Fuel economy was reasonable for a V6 engine, but not class-leading. Reliability was generally good, although some owners reported minor issues with the electrical system.
Legacy
The Mitsubishi Eclipse 3.0 V6 has maintained a modest following among enthusiasts. The 6G72 engine is known for its durability and relatively simple maintenance requirements. Used examples are still available today, often at affordable prices. While not a collector’s item, the 3.0 V6 Eclipse represents a capable and enjoyable sports coupe from the early 2000s. Its front-wheel-drive layout and readily available parts make it a relatively easy vehicle to maintain and modify. The engine’s robust design ensures that many examples are still on the road today, providing reliable transportation for their owners.





