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 (2007–2016)
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.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.