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.
EA839 family: CZSE, DLZA, CWGD, DECA, DECC, DCBD, DWVA, DCBE.
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 |
| Weight, kg | 187 |
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.
Frequently asked questions about the Audi DECA
How much power does the Audi DECA make?
The Audi DECA develops 450 hp and 600 Nm of torque.
How much oil does the Audi DECA take and which one?
Engine oil capacity: 7.6 liters. Recommended oil: 0W-20.
Does the Audi DECA have a timing belt or chain?
The Audi DECA uses a timing chain.
Is the Audi DECA turbocharged?
Yes, the Audi DECA is turbocharged (Twin-Turbo).
Does the Audi DECA need valve clearance adjustment?
No, the Audi DECA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi DECA last?
The typical lifespan of the Audi DECA is ~200 000 km with proper maintenance.
What is the fuel consumption of the Audi DECA?
Audi RS5 2020: city 11.8, highway 6.9, combined 8.7 L/100 km.
What cars was the Audi DECA installed on?
Audi RS4 B9 (8W) since 2017; Audi RS5 2 (F5) since 2017.
What are the common problems of the Audi DECA?
While the owners note only not the most efficient cooling system. There are complaints about electrical glitches, but flashing usually helps. All known problems.
