The 2.9-liter Porsche MDC.AB bi-turbo engine has been assembled by the German concern since 2017 and is installed on the current generation of the Cayenne crossover, which is popular in many markets. A similar turbo unit is installed on charged versions of the Audi RS4 and RS5 under the DECA index.
EA839-line engines: MDC.AB, MDC.BE.
Specifications
| Production years | since 2017 |
| Displacement, cc | 2894 |
| Fuel system | direct injection |
| Power output, hp | 440 |
| Torque output, Nm | 550 |
| Cylinder block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84.5 |
| Piston stroke, mm | 86 |
| Compression ratio | 10.5 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on both shafts |
| Turbocharging | bi-turbo |
| Recommended engine oil | 0W-20 |
| Engine oil capacity, liter | 8.0 |
| Fuel type | petrol |
| Euro standards | EURO 6 |
| Fuel consumption, L/100 km (for Porsche Cayenne S 2019) — city — highway — combined |
11.8 8.4 9.4 |
| Engine lifespan, km | ~220 000 |
The engine was installed on:
- Porsche Cayenne 3 (9YA) since 2017;
- Porsche Cayenne 3 Coupe (9YB) since 2019.
Disadvantages of the Porsche MDC.AB engine
- So far, on specialized forums, the engines of this line are not particularly scolded, but the runs are small;
- There are a couple of complaints about electrical failures, especially the start-stop system is buggy;
- It is also necessary to monitor the cleanliness of the radiators, they quickly become overgrown with dirt.
