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.
Specifications
| 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 |
19.6 9.4 13.4 |
| 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.