The company produced the 6.3-liter Audi CEJA or A8 W12 6.3 FSI engine from 2010 to 2013 and installed it only on the maximum versions of the A8L quattro sedan in the D4 body before restyling. After restyling the model, this unit gave way to an updated motor with the CTNA index.
EA398 family: BHT, BRN, CEJA, BDN.
Specifications
| Production years | 2010-2013 |
| Displacement, cc | 6299 |
| Fuel system | direct injection |
| Power output, hp | 500 |
| Torque output, Nm | 625 |
| Cylinder block | aluminum W12 |
| Block head | aluminum 48v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 90.4 |
| Compression ratio | 11.8 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on the intake and exhaust |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 11.5 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Audi A8L 2011) — city — highway — combined |
18.2 9.0 12.4 |
| Engine lifespan, km | ~260 000 |
The engine was installed on:
- Audi A8 D4 (4H) in 2010 – 2013.
Disadvantages of the Audi CEJA engine
- This engine is extremely demanding on the quality of the fuel and lubricant used.
- From bad gasoline and oil in the engine cylinders, scoring quickly forms.
- Due to scuffing, an oil burner appears, which here is fraught with turning the liners.
- Frequent overheating of the power unit greatly accelerates the formation of scoring.
- After 200,000 km, timing chains often require attention and you have to remove the engine.
Frequently asked questions about the Audi CEJA
How much power does the Audi CEJA make?
The Audi CEJA develops 500 hp and 625 Nm of torque.
How much oil does the Audi CEJA take and which one?
Engine oil capacity: 11.5 liters. Recommended oil: 5W-30.
Does the Audi CEJA have a timing belt or chain?
The Audi CEJA uses a timing chain.
Is the Audi CEJA turbocharged?
No, the Audi CEJA is naturally aspirated.
Does the Audi CEJA need valve clearance adjustment?
No, the Audi CEJA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CEJA last?
The typical lifespan of the Audi CEJA is ~260 000 km with proper maintenance.
What is the fuel consumption of the Audi CEJA?
Audi A8L 2011: city 18.2, highway 9.0, combined 12.4 L/100 km.
What cars was the Audi CEJA installed on?
Audi A8 D4 (4H) in 2010 - 2013.
What are the common problems of the Audi CEJA?
This engine is extremely demanding on the quality of the fuel and lubricant used. From bad gasoline and oil in the engine cylinders, scoring quickly forms. All known problems.





