The company produced the 4.0-liter Audi CEUA or A8 4.0 TFSI engine from 2012 to 2013 and installed it on charged versions of the popular A8 sedan in the D4 body before restyling. After restyling the model, this engine gave way to a more powerful engine under the CTGA index.
4.0 TFSI V8 EA824 family: CRDB, CEUA, CEUC, CGTA, CTFA, CTGE, CWUB, DDTA.
Specifications
| Production years | 2012-2013 |
| Displacement, cc | 3993 |
| Fuel system | direct injection |
| Power output, hp | 420 |
| Torque output, Nm | 600 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 89 |
| Compression ratio | 10.1 |
| Features | AVS |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on the intake and exhaust |
| Turbocharging | Bi-Turbo |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 8.3 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Audi A8 2012) — city — highway — combined |
12.9 7.3 9.4 |
| Engine lifespan, km | ~230 000 |
| Weight, kg | 219 |
The engine was installed on:
- Audi A8 D4 (4H) in 2012 – 2013.
Disadvantages of the Audi CEUA engine
- This turbo engine does not tolerate low-quality fuel, oils and frequent overheating.
- From all of the above, scuffing quickly forms in the engine cylinders.
- Savings on lubrication reduces the already low resource of turbines to 70-100 thousand km.
- Leaks of high-pressure fuel pumps are also often found here, and fuel from them can get into the oil.
- Weaknesses also include active engine mounts and upper timing chain tensioners.
Frequently asked questions about the Audi CEUA
How much power does the Audi CEUA make?
The Audi CEUA develops 420 hp and 600 Nm of torque.
How much oil does the Audi CEUA take and which one?
Engine oil capacity: 8.3 liters. Recommended oil: 5W-30.
Does the Audi CEUA have a timing belt or chain?
The Audi CEUA uses a timing chain.
Is the Audi CEUA turbocharged?
Yes, the Audi CEUA is turbocharged (Bi-Turbo).
Does the Audi CEUA need valve clearance adjustment?
No, the Audi CEUA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CEUA last?
The typical lifespan of the Audi CEUA is ~230 000 km with proper maintenance.
What is the fuel consumption of the Audi CEUA?
Audi A8 2012: city 12.9, highway 7.3, combined 9.4 L/100 km.
What cars was the Audi CEUA installed on?
Audi A8 D4 (4H) in 2012 - 2013.
What are the common problems of the Audi CEUA?
This turbo engine does not tolerate low-quality fuel, oils and frequent overheating. From all of the above, scuffing quickly forms in the engine cylinders. All known problems.





