The 3.6-liter VR6 gasoline engine Porsche M55.02 was assembled by the concern from 2010 to 2017 and installed on the base modifications of the Cayenne in the back of the 958 throughout its release. This motor belongs to the EA390 series and has much in common with the VW unit under the CMTA index.
Engines of M55-line: M55.01, M55.02.
Specifications
| Production years | 2010-2017 |
| Displacement, cc | 3598 |
| Fuel system | direct injection |
| Power output, hp | 300 |
| Torque output, Nm | 400 |
| Cylinder block | cast iron VR6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 89 |
| Piston stroke, mm | 96.4 |
| Compression ratio | 11.7 |
| 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 5/6 |
| Fuel consumption, L/100 km (for Porsche Cayenne 2012) — city — highway — combined |
15.9 8.4 11.2 |
| Engine lifespan, km | ~260 000 |
| Weight, kg | 177 |
The engine was installed on:
- Porsche Cayenne 2 (92A) in 2010 – 2017.
Disadvantages of the Porsche M55.02 engine
- The unit is equipped with direct injection and often suffers from deposits on the intake valves.
- Another weak point is the abundance of plastic components in the cooling system.
- The PCV valve has a not very high resource, its membrane is constantly torn.
- Closer to 200,000 km, timing chains usually need to be replaced.
- The ignition coils, pump and fuel pump in the tank also regularly fail.
