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The Lamborghini Murciélago LP640 Roadster benefits from the same extensive modifications to the bodywork and mechanics as the LP640 Coupé, as well as delivering its own distinct character And  is a sports car produced by Italian automaker Automobili Lamborghini S.p.A. and designed by Luc Donckerwolke. It was introduced in 2002 as the successor to the Diablo. The Murciélago is a two-door, two-seat coupé. To celebrate the company’s 40 years in operation, 50 special edition Murciélagos were built during the autumn of 2003. An open-top version called the Murciélago Roadster was introduced in 2004 for the 2005 model year. The roadster features similar performance to the coupé with a more aggressive rear flank, as well as a considerably higher price tag.

More powerful engine

As with the Coupé the new 6.5 litre (6.496 cm3) 60° V-engine and 640 PS (471 kW) at 8,000 min-1 is now used also in the Lamborghini Murciélago Roadster. At 6,000 min-1 the 12-cylinder engine reaches the maximum torque of 660 Nm. Naturally the Lamborghini Murciélago meets all the current valid European and North American emission standards.

The increased power naturally leads to increased road performance. The maximum speed now lies at 330 km/h compared to 320 km/h. The standard sprint from 0 to 100 km/h is now reached by the Murciélago LP640 Roadster in an excellent 3.4 seconds making it 0.4 seconds faster than its forerunner.

The engineers also focused their attention on optimising the torque band. The driveability of the engine thus benefits from the use of a continually variable timing system (intake and exhaust side) and engine management with Drive-by-Wire-System.

In order to meet the increased thermal requirements of the engine, the engineers built a larger oil cooler. On the exterior this is illustrated by a larger air inlet on the left wing of the vehicle. The liquid cooler on the other hand remains unchanged with the Lamborghini VASC System (variable geometry air inlet system). Additional electronically controlled air scoops open according to the outside temperature and cool air requirement. This guarantees maximum aerodynamic efficiency.

Brakes and safety

It goes without saying that a super sports car such as the new Lamborghini Murciélago LP640 Roadster goes hand-in-hand with a high level of safety.

Its hydraulic dual circuit braking system with LP-brake servo (unit) ensures impressive delay values under even the hardest strain. The internally ventilated brake disks measure 380 mm x 34 mm at the front and 355 mm x 32 mm at the rear. The closed loop of the four-channel anti-lock braking system (ABS) is enhanced, with electronic braking management (DRP) and traction control (TCS). The system consists of an electro-hydraulic control unit and four sensors for the wheel speeds.

When extremely high performance braking is required it is possible to equip the vehicle with carbon ceramic brakes measuring 380 mm x 36 mm with six-piston-brake callipers, which reduce pressure on the brake pedal and shorten the braking distance. Even under the toughest strain, there is almost no brake fading. Substantially reduced weight and greater durability are further advantages in addition to the carbon ceramic brakes’ attractive appearance.

The new Murciélago LP640 Roadster meets rigorous standards in terms of passive safety. With two front-seat air bags, a 60-litre airbag on the driver’s side and a 130-litre airbag on the passenger side, it meets all existing world-wide standards in the event of head-on and side crashes, impact against poles, occupant safety in the case of accident, fuel supply integrity and fuel combustibility. The luggage compartment also complies with childproof safety regulations. The Murciélago LP640 Roadster has automatically lowered roll bars; if the electronic control of this device detects a critical situation, the roll bars shoot out behind the seats within just a few milliseconds.

The coupé’s base price is US $313,000, which is US $107,000 more than its smaller sibling, the Lamborghini Gallardo.

In 2006 the Murciélago’s engine was replaced by a stronger 6.5-liter engine and the car’s name was changed to Murciélago LP640. For the 2007 model year Lamborghini did the same with the roadster model, which is now called Murciélago LP640 Roadster. Both versions received a minor facelift.