The 4.5-liter Mitsubishi 8A80 or 4.5 GDi gasoline engine was produced from 1999 to 2001 and was installed on the first generation of the Proudia model and the Dignity limousine created on its basis. The famous Korean V8 engines G8AA and G8AB were only clones of this power unit.
Specifications
| Production years | 1999-2001 |
| Displacement, cc | 4498 |
| Fuel system | direct injection |
| Power output, hp | 280 |
| Torque output, Nm | 412 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 96.8 |
| Compression ratio | 10.7 |
| Features | VIS |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.8 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Mitsubishi Proudia 2000) — city — highway — combined |
19.5 9.3 11.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 245 |
The engine was installed on:
- Mitsubishi Dignity 1 (S43) in 1999 – 2001;
- Mitsubishi Proudia 1 (S32) in 1999 – 2001.
Disadvantages of the Mitsubishi 8A80 engine
- The engine requires only quality 98 gasoline or the fuel system will fail;
- The intake valves here quickly overgrow with soot and cease to close tightly;
- After 100,000 km, catalysts fall apart, and the exhaust clogs with crumbs;
- Carefully monitor the condition of the timing belt, as its breakage is fatal for the unit;
- But the main problem of the engine is in short supply and the very high cost of spare parts.
Frequently asked questions about the Mitsubishi 8A80
How much power does the Mitsubishi 8A80 make?
The Mitsubishi 8A80 develops 280 hp and 412 Nm of torque.
How much oil does the Mitsubishi 8A80 take and which one?
Engine oil capacity: 5.8 liters. Recommended oil: 5W-30.
Does the Mitsubishi 8A80 have a timing belt or chain?
The Mitsubishi 8A80 uses a timing belt.
Is the Mitsubishi 8A80 turbocharged?
No, the Mitsubishi 8A80 is naturally aspirated.
Does the Mitsubishi 8A80 need valve clearance adjustment?
No, the Mitsubishi 8A80 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Mitsubishi 8A80 last?
The typical lifespan of the Mitsubishi 8A80 is ~300 000 km with proper maintenance.
What is the fuel consumption of the Mitsubishi 8A80?
Mitsubishi Proudia 2000: city 19.5, highway 9.3, combined 11.9 L/100 km.
What cars was the Mitsubishi 8A80 installed on?
Mitsubishi Dignity 1 (S43) in 1999 - 2001; Mitsubishi Proudia 1 (S32) in 1999 - 2001.
What are the common problems of the Mitsubishi 8A80?
The engine requires only quality 98 gasoline or the fuel system will fail. The intake valves here quickly overgrow with soot and cease to close tightly. All known problems.
