but the MP4-12C also gets some transmission tweaks that result in "crisper throttle response and improved clutch control for gear changes that are both faster and smoother." McLaren says it has ...

However, McLaren quickly upgraded the engine to 616 horsepower for 2013 and offered earlier MP4-12C owners a free upgrade. The engine mated to a seven-speed dual clutch transmission facilitated 0 to ...