One letter and 20 years separate the McLaren F1 and McLaren P1 from each other. Yet both deliver nothing short of an incredible driving experience.

In a rare opportunity, evo's Henry Catchpole drives the pair of supercars back to back. Find out his verdict.

Read the full article here - http://www.evo.co.uk/mclaren/15780/watch-mclaren-f1-vs-mclaren-p1

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