4G63 Turbo
Mitsubishi · 2.0L Turbo I4
1992–2007
"Legendary Evo I-IX engine. Cast-iron block, forged crank. Tuning icon. 600hp+ on stock internals possible. Maintenance-intensive."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Head gasket failure (high boost / neglect)
▸Coolant loss, overheating, milky oil
Legendary engine. Head gasket only concern at very high mileage or with modified boost.
Stock use in Greece: very reliable. 350k+ km documented. Only risk is modification or neglect.
Turbo wear at extreme mileage
▸Boost loss, slight smoke
Turbo extremely durable. Only concern at 200k+ km.
Legendary engine for Greek market. Parts available everywhere.
Other Mitsubishi Engines
Tuning Potential
600hp+ on stock block
Frequently Asked Questions
Is the Mitsubishi 4G63 Turbo reliable?
The Mitsubishi 4G63 Turbo scores 70/100 with a verdict of ACCEPTABLE. It has 2 documented issues with total repair costs between €1,400 and €3,500.
What are the common problems with the 4G63 Turbo?
The most common issues are:
- Head gasket failure (high boost / neglect) — moderate, repair cost €800–€2,000, 100,000 km–200,000 km
- Turbo wear at extreme mileage — minor, repair cost €600–€1,500, 200,000 km–∞
How much does it cost to repair the 4G63 Turbo?
Total potential repair costs for all 2 known issues range from €1,400 to €3,500. The most expensive issue is typically .
What years was the 4G63 Turbo produced?
The Mitsubishi 4G63 Turbo was produced from 1992 to 2007. It is a 1997cc I4 petrol turbo engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.