The track-only McLaren P1 GTR has been previewed via a conceptual sketch ahead of its unveiling at the Pebble Beach Concours d’Elegance in the middle of August.
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Based on the road-going P1, McLaren's engineers are targeting power output of 736kW from the P1 GTR's petrol-electric drivetrain. By way of comparison, the road-legal P1 generates a total of 673kW of power and 900Nm of torque from its 3.8-litre twin-turbo V8 and electric engines.

In addition to an uprated drivetrain, the P1 GTR will take every element of its P1 base to the extreme. If the final car stays true to the sketch above, the GTR will feature a large fixed rear wing and aggressive diffusers. These elements will not only improve downforce, but also make the GTR easily recognisable.

The P1 GTR will only begin rolling down McLaren's production line after the 375th and final P1 is produced. Currently the company expects this to happen in June 2015.

To buy a P1 GTR, you not only need the financial wherewithal to stump up 1.98 million pounds ($3.6 million), but also already have a P1 in your collection. The hefty price tag includes a training program tailored to the needs of the buyer, sessions with McLaren's driver fitness team and use of the company's racing simulators. McLaren will also organise a number of driving events so P1 GTR drivers can use their machines to the fullest.