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Get the full story on the McLaren P1 Engine Details at AutoGuide.comMcLaren Automotive has finally released full engine specs on its new supercar, the P1.
In total, the successor to the McLaren F1 supercar makes 903 hp and 664 lb-ft of torque thanks to a twin-turbo 3.8-liter V8 engine mated to an electric motor. The gasoline engine itself is a modified version of that found in the MP4-12C, making 727 hp and 531 lb-ft of torque, while an electric motor developed in-house by McLaren Electronics is mounted directly to the engine. It is capable of adding 176 hp and 192 lb-ft of torque. Combined in a special IPAS (Instant Power Assist System) mode, McLaren claims the turbocharged hybrid engine delivers power, “more akin to a naturally aspirated engine.”