The 2.9-liter turbo V6 Audi DECC was produced only in 2024 and was installed on the Audi RS4 and Audi RS5. This EA839 engine has direct injection and produces 470 hp and 600 Nm.
EA839 family: CZSE, DLZA, CWGD, DECA, DECC, DCBD, DWVA, DCBE.
Specifications
| Production years | 2024-2024 |
| Displacement, cc | 2894 |
| Fuel system | direct injection |
| Power output, hp | 470 |
| Torque output, Nm | 600 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 86 |
| Compression ratio | 10.0 |
| Features | 2 x DOHC |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | at intake and exhaust |
| Turbocharging | two BorgWarner K03 |
| Recommended engine oil | 0W-30 |
| Engine oil capacity, liter | 7.6 |
| Fuel type | petrol |
| Euro standards | EURO 6d |
| Fuel consumption, L/100 km (for Audi RS4 Avant 2024) — city — highway — combined |
12.3 7.5 9.2 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 187 |
The engine was installed on:
- Audi RS4 B9 (8W) in 2024;
- Audi RS5 2 (F5) in 2024.
Disadvantages of the Audi DECC engine
- A rare engine built in limited numbers; this late version is not affected by the rocker arm problem of early EA839 engines;
- Like all direct-injection engines, it is prone to carbon deposits on the intake valves;
- Poor fuel shortens the life of the injectors;
- Oil and coolant leaks are a frequent complaint.
Frequently asked questions about the Audi DECC
How much power does the Audi DECC make?
The Audi DECC develops 470 hp and 600 Nm of torque.
How much oil does the Audi DECC take and which one?
Engine oil capacity: 7.6 liters. Recommended oil: 0W-30.
Does the Audi DECC have a timing belt or chain?
The Audi DECC uses a timing chain.
Is the Audi DECC turbocharged?
Yes, the Audi DECC is turbocharged (two BorgWarner K03).
Does the Audi DECC need valve clearance adjustment?
No, the Audi DECC has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Audi DECC last?
The typical lifespan of the Audi DECC is ~250 000 km with proper maintenance.
What is the fuel consumption of the Audi DECC?
Audi RS4 Avant 2024: city 12.3, highway 7.5, combined 9.2 L/100 km.
What cars was the Audi DECC installed on?
Audi RS4 B9 (8W) in 2024; Audi RS5 2 (F5) in 2024.
What are the common problems of the Audi DECC?
A rare engine built in limited numbers; this late version is not affected by the rocker arm problem of early EA839 engines. Like all direct-injection engines, it is prone to carbon deposits on the intake valves. All known problems.
