The 4.0-liter 8-cylinder bi-turbo engine Audi CXYA has been produced by the company since 2020 and is installed on the A8 D5 executive sedan, popular in a number of countries, in the 60 TFSI modification. A more powerful version of this power unit for the Audi S8 has its own CWWB index.
EA825 family: CXYA, DCUE, DJPB, DWKA, DWLA, DWNA, DWNB, DWPA, DYGA, DYGB.
Specifications
| Production years | since 2020 |
| Displacement, cc | 3996 |
| Fuel system | direct injection |
| Power output, hp | 460 |
| Torque output, Nm | 660 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 86 |
| Piston stroke, mm | 86 |
| Compression ratio | 11.0 |
| Features | AVS, mild hybrid |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on all shafts |
| Turbocharging | two BorgWarner B03G |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 9.5 |
| Fuel type | petrol |
| Euro standards | EURO 6d-TEMP |
| Fuel consumption, L/100 km (for Audi A8 2020) — city — highway — combined |
13.1 7.7 9.9 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 231 |
The engine was installed on:
- Audi A8 D5 (4N) since 2020.
Disadvantages of the Audi CXYA engine
- For such a complex design, this is a very reliable motor and there are few complaints about it;
- The main thing is not to get the engine after serious tuning; there are many of these on the market;
- Plasma spraying on cylinder walls does not tolerate low-quality fuel;
- Poor quality oil and long oil change intervals greatly reduce the service life of turbines;
- There are also isolated complaints about the failure of a very expensive cooling module.
Frequently asked questions about the Audi CXYA
How much power does the Audi CXYA make?
The Audi CXYA develops 460 hp and 660 Nm of torque.
How much oil does the Audi CXYA take and which one?
Engine oil capacity: 9.5 liters. Recommended oil: 0W-20.
Does the Audi CXYA have a timing belt or chain?
The Audi CXYA uses a timing chain.
Is the Audi CXYA turbocharged?
Yes, the Audi CXYA is turbocharged (two BorgWarner B03G).
Does the Audi CXYA need valve clearance adjustment?
No, the Audi CXYA has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi CXYA last?
The typical lifespan of the Audi CXYA is ~300 000 km with proper maintenance.
What is the fuel consumption of the Audi CXYA?
Audi A8 2020: city 13.1, highway 7.7, combined 9.9 L/100 km.
What cars was the Audi CXYA installed on?
Audi A8 D5 (4N) since 2020.
What are the common problems of the Audi CXYA?
For such a complex design, this is a very reliable motor and there are few complaints about it. The main thing is not to get the engine after serious tuning; there are many of these on the market. All known problems.





