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.
3.7-4.2 V8 EA824 family: AEW, ABZ, BFL, BFM, AXQ, BVJ, CDRA, BAR.
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 |
| Weight, kg | 197 |
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.
Frequently asked questions about the Audi ABZ
How much power does the Audi ABZ make?
The Audi ABZ develops 300 hp and 400 Nm of torque.
How much oil does the Audi ABZ take and which one?
Engine oil capacity: 7.2 liters. Recommended oil: 5W-30.
Does the Audi ABZ have a timing belt or chain?
Timing drive of the Audi ABZ: belt & 2 chains.
Is the Audi ABZ turbocharged?
No, the Audi ABZ is naturally aspirated.
Does the Audi ABZ need valve clearance adjustment?
No, the Audi ABZ has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi ABZ last?
The typical lifespan of the Audi ABZ is ~320 000 km with proper maintenance.
What is the fuel consumption of the Audi ABZ?
Audi A8 quattro 1995: city 19.6, highway 9.4, combined 13.4 L/100 km.
What cars was the Audi ABZ installed on?
Audi A8 D2 (4D) in 1994 - 1998.
What are the common problems of the Audi ABZ?
This is an aluminum block motor and is very afraid of overheating and bad fuel. Poor maintenance and overheating leads to scoring in cylinders. All known problems.
They are 32 valve engines. The newer 310hp are 40 valve
Thank you! The bug has been fixed.