1.8T (EA113)
Audi · 1.8T 20V Turbo I4
1995–2005
"B5 A4/Passat B5. AEB/APU/AWM codes. Oil sludge issue if intervals skipped. Turbo failure at 150k+ km. Coil pack failures. Hugely tuneable. Solid with care."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Oil sludge formation
▸Low oil pressure warning, sludge in valve cover
Extended oil change intervals caused sludge. Use 5W-40 synthetic, change every 8-10k km.
Λάσπη λαδιού — αλλαγή λαδιού κάθε 8-10k km. Μην αμελείτε.
Turbo failure
▸Boost loss, smoke, whining
K03/K04 turbo wears at high mileage.
Turbo — €500-1,500. Αναμονή στα 150k+ km.
Models with 1.8T (EA113) 22
Other Audi Engines
Tuning Potential
300hp+ Stage 2 easy
Frequently Asked Questions
Is the Audi 1.8T (EA113) reliable?
The Audi 1.8T (EA113) scores 72/100 with a verdict of ACCEPTABLE. It has 2 documented issues with total repair costs between €1,000 and €3,500.
What are the common problems with the 1.8T (EA113)?
The most common issues are:
- Oil sludge formation — high, repair cost €500–€2,000, 60,000 km–120,000 km
- Turbo failure — high, repair cost €500–€1,500, 120,000 km–200,000 km
What cars use the Audi 1.8T (EA113)?
How much does it cost to repair the 1.8T (EA113)?
Total potential repair costs for all 2 known issues range from €1,000 to €3,500. The most expensive issue is typically .
What years was the 1.8T (EA113) produced?
The Audi 1.8T (EA113) was produced from 1995 to 2005. It is a 1781cc I4 petrol turbo engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.