EA839 2.9 V6 TT
Audi · 2.9 V6 Biturbo RS4/RS5 (DEZA)
2017–present
"RS4/RS5 B9. EA839 family (shared with Porsche). Hot-V design. Strong internals. Carbon buildup (DI). Turbo reliable. Premium fuel required. Excellent daily RS car."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 1
Carbon buildup (DI)
▸Power loss, rough idle
Hot-V DI = carbon.
Άνθρακας DI — walnut blast €400-1,000.
Models with EA839 2.9 V6 TT 2
Related Guides
Other Audi Engines
Tuning Potential
500hp Stage 1
Frequently Asked Questions
Is the Audi EA839 2.9 V6 TT reliable?
The Audi EA839 2.9 V6 TT scores 75/100 with a verdict of ACCEPTABLE. It has 1 documented issues with total repair costs between €400 and €1,000.
What are the common problems with the EA839 2.9 V6 TT?
The most common issues are:
- Carbon buildup (DI) — moderate, repair cost €400–€1,000, 60,000 km–120,000 km
What cars use the Audi EA839 2.9 V6 TT?
How much does it cost to repair the EA839 2.9 V6 TT?
Total potential repair costs for all 1 known issues range from €400 to €1,000. The most expensive issue is typically .
What years was the EA839 2.9 V6 TT produced?
The Audi EA839 2.9 V6 TT was produced from 2017 to present. It is a 2894cc V6 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.