McLaren’s mental P1 GTR will be unleashed on streets.

A new P1 LM will debut at this weekend’s Goodwood Festival of Speed to introduce a road-going version of the GTR, but it won’t simply be a de-fanged variant.

Details revealed by Lazante Ltd, the UK motorsport firm in charge of cooking up the LM, suggest it’ll be more wild than its track-only counterpart. And by some margin too, as it cuts the GTR’s weight, ups the downforce, and matches every one of its kilowatts.

McLaren P1 GTR road car rear

Then to make three-point turns interesting, the car’s aerodynamic package has been little changed besides a modified rear wing, larger front splitter and dive planes. Overall it’s estimated to produce 40 per cent more downforce.

McLaren P1 road car top view

Milk-runs will be more bearable thanks to Lazante adding air-conditioning, but besides the promise of some exclusive additional panels there’s isn’t much else to ensure the LM will be good for the groceries.

McLaren P1 LM steering wheel
Kenny brack with the mclaren

How much? Well, the track-only GTR was near 2 million pounds. So if you have to ask…