The 4.5-liter Porsche M48.00 gasoline engine was produced by the company from 2002 to 2007 and was installed on the Cayenne crossover in the back of the 955 or the pre-styling version of the first generation. Such an engine is known for frequent cylinder scuffing due to poor Lokasil coating.
M48 family: M48.00, M48.01, M48.50, M48.51, M48.70.
Specifications
| Production years | 2002-2007 |
| Displacement, cc | 4511 |
| Fuel system | distributed injection |
| Power output, hp | 340 |
| Torque output, Nm | 420 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 93 |
| Piston stroke, mm | 83 |
| Compression ratio | 11.5 |
| Features | VarioRam |
| Hydraulic lifters | yes |
| Timing drive | chain |
| Phase regulator | on the intake shafts |
| Turbocharging | no |
| Recommended engine oil | 5W-40 |
| Engine oil capacity, liter | 8.5 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Porsche Cayenne 2005) — city — highway — combined |
20.9 11.2 14.9 |
| Engine lifespan, km | ~220 000 |
| Weight, kg | 227 |
The engine was installed on:
- Porsche Cayenne 1 (9PA) in 2002 – 2007.
Disadvantages of the Porsche M48.00 engine
- The most well-known problem of the unit is the formation of scoring in the cylinders.
- Causes of scuffing are: bad fuel or oil and driving on a cold engine.
- Very often, antifreeze leaks occur due to burst tubes of the cooling system.
- Ignition coils are distinguished by a low resource, and a breakdown of one destroys the rest.
- The weak points of this engine also include the starter, thermostat and water pump.
Frequently asked questions about the Porsche M48.00
How much power does the Porsche M48.00 make?
The Porsche M48.00 develops 340 hp and 420 Nm of torque.
How much oil does the Porsche M48.00 take and which one?
Engine oil capacity: 8.5 liters. Recommended oil: 5W-40.
Does the Porsche M48.00 have a timing belt or chain?
The Porsche M48.00 uses a timing chain.
Is the Porsche M48.00 turbocharged?
No, the Porsche M48.00 is naturally aspirated.
Does the Porsche M48.00 need valve clearance adjustment?
No, the Porsche M48.00 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Porsche M48.00 last?
The typical lifespan of the Porsche M48.00 is ~220 000 km with proper maintenance.
What is the fuel consumption of the Porsche M48.00?
Porsche Cayenne 2005: city 20.9, highway 11.2, combined 14.9 L/100 km.
What cars was the Porsche M48.00 installed on?
Porsche Cayenne 1 (9PA) in 2002 - 2007.
What are the common problems of the Porsche M48.00?
The most well-known problem of the unit is the formation of scoring in the cylinders. Causes of scuffing are: bad fuel or oil and driving on a cold engine. All known problems.
