Engine Audi ABZ

The 4.2-liter Audi V8 ABZ or A8 D2 4.2 quattro engine was produced from 1994 to 1998 and was installed on all-wheel drive versions of the famous A8 sedan in the D2 body. This motor was aggregated with a 4-speed automatic transmission, and an AKG engine similar to it with a 5-speed one.

The EA824 series includes: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR, CRDB, CEUA.


Production years 1994-1998
Displacement, cc 4172
Fuel system distributed injection
Power output, hp 300
Torque output, Nm 400
Cylinder block aluminum V8
Block head aluminum 32v
Cylinder bore, mm 84.5
Piston stroke, mm 93
Compression ratio 10.8
Features no
Hydraulic lifters yes
Timing drive belt & 2 chains
Phase regulator no
Turbocharging no
Recommended engine oil 5W-30
Engine oil capacity, liter 7.2
Fuel type petrol
Euro standards EURO 3
Fuel consumption, L/100 km (for Audi A8 quattro 1995)
— city
— highway
— combined
Engine lifespan, km ~320 000

The engine was installed on:

  • Audi A8 D2 (4D) in 1994 – 1998.

Disadvantages of the Audi ABZ engine

  • This is an aluminum block motor and is very afraid of overheating and bad fuel;
  • Poor maintenance and overheating leads to scoring in cylinders;
  • Saving on oil here can result in the failure of hydraulic lifters;
  • Follow the timing belt replacement schedule, as when it breaks, the valves bend;
  • Also, lubrication leaks are often found here, and especially at the junction of the motor with the gearbox.

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