Engine:4.5 L M48.50. Porsche Cayenne Turbo (955) Model Years: 2003 - 2006 Engine: 4.5L V8 Turbo Engine Codes: M48.50 Power: 331kW / 450HP. Porsche Cayenne Turbo S (955) Model Year: 2006 engine: 4.5L V8 Turbo Engine Codes: M48.50 Power: 383kW / 521HP.
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