Engine Porsche M48.00

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.

Engines of M48-line: M48.00, M48.50, M48.01, M48.51, M48.70.


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
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.

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