The company provided the most powerful version of the McLaren supercar 650S, known as 675LT. Model is supplemented with the same 3.8-liter Twin-Turbo V8 motor, but its impact is 675 horsepower (700 Nm) which is 25 times more than the 650S. The last two letters in the model name-LT-explained as Long Tail. Therefor the GT class race cars was called so because of the long body in the mid-1990 's, including the McLaren F1 GTR.
The company had previously stated that they want to make out of 675 15th its "modern interpretation". Increasing the engine power was achieved by replacing more than 50 percent of the parts of this unit. New steel turbine and in particular, the cylinder head, Camshafts and fuel pump were modernized.
675LT engine is combined with the seven-speed sequential gearbox with dual clutch.
From 0 to 100 kilometers per hour new McLaren is dispersed for 2.9 seconds, up to200 kilometers per hour in 7.9 seconds and its top speed is 330 kilometers per hour. It is at 0.1 seconds 0.5 seconds faster and at three kilometers per hour slower than the 650S. 