From 2007 to 2010, the German company assembled the 3.6-liter VR6 Porsche M55.01 engine, which was fitted to the basic Cayenne versions in the 957 body—that is, the first generation after restyling. According to the BHK index, this unit, which was part of the EA390 series, was not all that different from the VW-Audi engine.
M55.01 and M55.02 are the M55-line engines.
Specifications
| Production years | 2007-2010 |
| Displacement, cc | 3598 |
| Fuel system | direct injection |
| Power output, hp | 290 |
| Torque output, Nm | 385 |
| Cylinder block | cast iron VR6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 96.4 |
| Compression ratio | 12.3 |
| Features | VarioRam |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | at intake and exhaust |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.9 |
| Fuel type | petrol |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Porsche Cayenne 2008) — city — highway — combined |
18.5 9.8 12.9 |
| Engine lifespan, km | ~270 000 |
| Weight, kg | 177 |
The engine was installed on:
- Porsche Cayenne 1 (9PA) in 2007 – 2010.
Disadvantages of the Porsche M55.01 engine
The intake valves of this direct injection unit frequently have carbon deposits.
The large number of plastic components in the cooling system is the motor’s weak point.
A low resource distinguishes a PCV valve or an air-oil separator.
A removed engine is used to replace the timing chain, which has a lifespan of roughly 150,000 kilometers.
Water pumps, tank pumps, and ignition coils all frequently malfunction.