4G15T
Mitsubishi · 4G15T 1.5 Turbo
2005–2012
"Colt CZT/Ralliart. MIVEC turbo. Strong for 1.5L. Turbo failure if oil neglected. Head gasket on high-boost tunes. Fun pocket rocket but needs care."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Head gasket on tuned cars
▸Coolant loss
Higher boost = head gasket risk.
Φλάντζα σε tuned — €500-1,200.
Turbo failure
▸Smoke, boost loss
Small turbo stressed.
Turbo — €400-1,000.
Models with 4G15T 1
Other Mitsubishi Engines
Tuning Potential
180hp Stage 1
Frequently Asked Questions
Is the Mitsubishi 4G15T reliable?
The Mitsubishi 4G15T scores 65/100 with a verdict of CAUTION. It has 2 documented issues with total repair costs between €900 and €2,200.
What are the common problems with the 4G15T?
The most common issues are:
- Head gasket on tuned cars — high, repair cost €500–€1,200, 60,000 km–120,000 km
- Turbo failure — high, repair cost €400–€1,000, 80,000 km–150,000 km
What cars use the Mitsubishi 4G15T?
The 4G15T is found in:
- Colt (2006–2012)
How much does it cost to repair the 4G15T?
Total potential repair costs for all 2 known issues range from €900 to €2,200. The most expensive issue is typically .
What years was the 4G15T produced?
The Mitsubishi 4G15T was produced from 2005 to 2012. It is a 1468cc I4 petrol turbo engine.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.