Engine Audi CDNB

The 2.0-liter gasoline turbo engine Audi CDNB 2.0 TFSI was produced from 2008 to 2014 and was installed as a power unit on such mass models as the A4, A5, A6 and Q5. There was a similar motor with a CAEA index under the stringent American ULEV environmental standards.

The EA888 gen2 series includes: CDAA, CDAB, CDHA, CDHB, CCZA, CCZB, CCZC, CCZD, CDNB, CDNC, CAEA, CAEB.


Production years 2008-2014
Displacement, cc 1984
Fuel system direct injection
Power output, hp 180
Torque output, Nm 320
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 82.5
Piston stroke, mm 92.8
Compression ratio 9.6
Features DOHC, AVS
Hydraulic lifters yes
Timing drive chain
Phase regulator on the intake shaft
Turbocharging KKK K03
Recommended engine oil 5W-30
Engine oil capacity, liter 4.6
Fuel type petrol
Euro standards EURO 5
Fuel consumption, L/100 km (for Audi A6 2012)
— city
— highway
— combined
Engine lifespan, km ~260 000
Weight, kg 142

The engine was installed on:

  • Audi A4 B8 (8K) in 2008 – 2011;
  • Audi A5 1 (8T) in 2008 – 2011;
  • Audi A6 C7 (4G) in 2011 – 2014;
  • Audi Q5 1 (8R) in 2009 – 2014.

Disadvantages of the Audi CDNB engine

  • Most of the owners’ complaints about this engine relate to high oil consumption.
  • The most popular solution to this problem is to replace the pistons.
  • Carbon deposits form from oil fumes, so decarbonization is periodically needed here.
  • The timing chain has a limited resource and can stretch up to 100,000 km.
  • Also, ignition coils, a water pump with a thermostat, high pressure fuel pump do not serve here for long.

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