Engine Audi ACE

The 2.0-liter Audi 2.0 ACE 16v engine was produced by the German concern from 1992 to 1997 and was installed on the most popular models of the German company of its time: 80, 100, A6. This power unit stood out among other engines of the family by the presence of a 16-valve cylinder head.

The EA827 2.0l series includes: 2E, AAD, AAE, ABT, ABK, ADY, AGG, ABF, ACE.


Production years 1992-1997
Displacement, cc 1984
Fuel system KE-Motronic
Power output, hp 140
Torque output, Nm 185
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 82.5
Piston stroke, mm 92.8
Compression ratio 10.8
Features DOHC
Hydraulic lifters yes
Timing drive chain & belt
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 3.0
Fuel type petrol
Euro standards EURO 2
Fuel consumption, L/100 km (for Audi A6 1995)
— city
— highway
— combined
Engine lifespan, km ~360 000

The engine was installed on:

  • Audi 80 B4 (8C) in 1992 – 1995;
  • Audi 100 C4 (4A) in 1992 – 1994;
  • Audi A6 C4 (4A) in 1994 – 1997.

Disadvantages of the Audi ACE engine

  • All the most common engine problems are related to the KE-Motronic system;
  • Most often, air leaks, nozzle contamination, sensor glitches are to blame for failures;
  • Also weak points include the fuel pump and a number of components of the ignition system;
  • The timing belt is designed for about 90 thousand km, and when it breaks, the valves always bend;
  • At a very high mileage, an oil burner and the sound of hydraulic lifters are often found.

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