4B11T
Mitsubishi · 2.0L Turbo MIVEC I4
2008–2015
"Evo X engine. Strong forged internals. Reliable if maintained to EVO standards. Abused examples suffer."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Ringland failure — modified engines
▸Compression loss, blow-by, blue smoke
Semi-open deck. Ringland cracks under high boost modification. Stock is reliable.
Stock Evo X in Greece: manageable with care. Modified: serious risk.
Rod bearing wear under hard use
▸Knock under load, oil analysis
Evo X: oil quality and frequent changes essential. ACL bearings recommended upgrade.
Evo owners in Greece: oil every 5k km, oil analysis recommended.
Models with 4B11T 1
Other Mitsubishi Engines
Tuning Potential
400hp+ Stage 2
Frequently Asked Questions
Is the Mitsubishi 4B11T reliable?
The Mitsubishi 4B11T scores 62/100 with a verdict of CAUTION. It has 2 documented issues with total repair costs between €3,200 and €9,000.
What are the common problems with the 4B11T?
The most common issues are:
- Ringland failure — modified engines — high, repair cost €2,000–€6,000, 50,000 km–100,000 km
- Rod bearing wear under hard use — moderate, repair cost €1,200–€3,000, 80,000 km–150,000 km
What cars use the Mitsubishi 4B11T?
The 4B11T is found in:
- Lancer Evolution X (2008–2016)
How much does it cost to repair the 4B11T?
Total potential repair costs for all 2 known issues range from €3,200 to €9,000. The most expensive issue is typically .
What years was the 4B11T produced?
The Mitsubishi 4B11T was produced from 2008 to 2015. It is a 1998cc 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.