Engine Audi DECA

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.


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
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.

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