The 2.9-liter Audi DECA bi-turbo engine has been assembled by the German concern since 2017 and is installed only on the current generation of such charged models as the RS4 or RS5. A similar turbo engine is installed on the Audi S6 and S7 as DKMB or Porsche cars as MDC.AB.
The EA839 series includes: CZSE, DLZA, CWGD, DECA.
Specifications
| Production years | since 2017 |
| Displacement, cc | 2894 |
| Fuel system | direct injection |
| Power output, hp | 450 |
| Torque output, Nm | 600 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 86 |
| Compression ratio | 10.0 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | yes |
| Turbocharging | Twin-Turbo |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 7.6 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Audi RS5 2020) — city — highway — combined |
11.8 6.9 8.7 |
| Engine lifespan, km | ~200 000 |
The engine was installed on:
- Audi RS4 B9 (8W) since 2017;
- Audi RS5 2 (F5) since 2017.
Disadvantages of the Audi DECA engine
- While the owners note only not the most efficient cooling system;
- There are complaints about electrical glitches, but flashing usually helps;
- There is no information on bullying, but on specialized forums it is advised to pour only high-octane gasoline;
- And do not forget to monitor the cleanliness of the radiators, they quickly become overgrown with dirt here.
