Engine Audi CZSE

The 3.0-liter turbocharged Audi CZSE 3.0 TFSI engine has been produced by the concern since 2017 and is installed only on the main modifications of the A8 sedan in the back of the D5 or the Q8 crossover. This motor is part of a hybrid power plant with a separate 48-volt network.

The EA839 series includes: CZSE, DLZA, CWGD, DECA.


Production years since 2017
Displacement, cc 2995
Fuel system direct injection
Power output, hp 340
Torque output, Nm 500
Cylinder block aluminum V6
Block head aluminum 24v
Cylinder bore, mm 84.5
Piston stroke, mm 89
Compression ratio 11.2
Features mild hybrid
Hydraulic lifters yes
Timing drive chain
Phase regulator on all shafts
Turbocharging TwinScroll
Recommended engine oil 0W-20
Engine oil capacity, liter 7.0
Fuel type petrol
Euro standards EURO 6
Fuel consumption, L/100 km (for Audi Q8 2019)
— city
— highway
— combined
Engine lifespan, km ~260 000

The engine was installed on:

  • Audi A8 D5 (4N) since 2017;
  • Audi Q8 1 (4M) since 2018.

Disadvantages of the Audi CZSE engine

  • This power unit has been produced not so long ago and there are no statistics of malfunctions.
  • The intake manifold is integrated into the head of the block and a separate replacement is not possible.
  • The turbocharger is located in the collapse of the cylinder block with the hot side inward.

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