The Maserati GranTurismo is a two-door, four-seat coupé produced by the Italian car manufacturer Maserati. It shares the platform of the Maserati Quattroporte V and parts of the Ferrari 599 GTB and Scaglietti.
The vehicle was unveiled at the 2007 Geneva Motor Show. The GranTurismo has a drag coefficient of 0.33. The standard version has a 4.2 litre (4,244 cc (259.0 cu in)) V8 engine designed in conjunction with Ferrari with 405 PS (298 kW; 399 hp) and automatic ZF gearbox six-speed transmission. The 2+2 body has been derived from the Maserati Quattroporte V, with double-wishbone front suspensions and a multilink rear suspension. The car is a GT (Grand Tourer) that emphasis comfort in harmony with speed and driver-enjoyment.
In September 2010, Maserati announced that they would be officially showing a new version of the GranTurismo - the MC Stradale - at the 2010 Paris Motor Show. The strictly two-seat MC Stradale is more powerful (450 PS or 331 kW or 444 hp). Friction reduction accounts for the increase, says Maserati, thanks to the strategic use of “diamond-like coating,” an anti-friction technology derived from Formula 1, on wear parts such as the cams and followers. It's also 110 kg lighter (1670 kg dry weight) from the GranTurismo, and more aerodynamic than any previous GranTurismo model - all with the same fuel consumption as the regular GranTurismo. In addition to two slits in the bonnet, the MC Stradale also receives a new front splitter and rear air dam for better aerodynamics, downforce, and improved cooling of carbon ceramic brakes and engine. The body modifications make the car 48 mm (2 in) longer.
The MC Race Shift 6-speed robotised manual gearbox, which shares its electronics and some of its hardware with the Ferrari 599GTO, usually operates in an "auto" mode, but the driver can switch this to "sport" or "race" (shifts in 60 milliseconds in "race" mode), which affects gearbox operations, suspension, traction control, and even the sound of the engine. The MC Stradale is the first GranTurismo to break the 300 km/h barrier, with a claimed top speed of 303 km/h (188 mph).
The MC Stradale’s suspension is eight percent stiffer and the car rides slightly lower than the GranTurismo S, following feedback from racing drivers who appreciated the better grip and intuitive driving feel of the lower profile. Pirelli has custom-designed extra-wide 20-inch PZero Corsa tyres to fit new flow-formed alloy wheels.
The Brembo braking system with carbon ceramic discs weighs around 60% less than the traditional system with steel discs. The front is equipped with 380 x 34mm ventilated discs, operated by a powerful 6 piston caliper. The rear discs measure 360 x 32mm with a four piston caliper. The stopping distance is just 33 metres at 100 km/h with an average deceleration of 1.2g.
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