In March 2006, Lamborghini unveiled a new version of its halo car at the Geneva Motor Show: the Murciélago LP640. The new title incorporated the car's name, along with an alphanumberic designation which indicated the engine's orientation (Longitudinale Posteriore), along with the newly uprated power output. With displacement now increased to 6.5 litres, the new car made 640 PS (471 kW; 631 hp) at 8000 rpm. The Murciélago's exterior received a minor facelift. Front and rear fascias were revised, and side air intakes were now asymmetrical with the left side feeding an oil cooler. A new single outlet exhaust system incorporated into the rear diffuser, modified suspension tuning, revised programming and upgraded clutch for the 6 speed "e-gear" automated sequential transmission with launch control rounded out the performance modifications. Interior seating was also reshaped to provide greater headroom, and a new stereo system formed part of the updated dashboard. In the U.S. MSRP was set at $318,800.Optional equipment included Carbon fibre-reinforced Silicon Carbide (C/SiC) ceramic composite brakes, chrome paddle shifters and a glass engine cover. The 2008 car's estimated fuel economy for the 6-speed manual is Template:Convert/ak47 city and 13 miles per US gallon (18 L/100 km; 16 mpg-imp) freeway, making it the least efficient car in 2008 for city and highway driving, according to the EPA.
The Murciélago LP640 Versace is a special limited edition of the LP640 that was unveiled at the 2006 Paris Motor Show. Available in either white or black, only 20 were produced as both coupes and roadsters. Although the standard v12 engine was used, stylists from the Versace fashion house, and Lamborghini's ad personam program, collaborated to design custom interiors finished in two toned Versace leather. Gianni Versace logo plaque. Each unit came with matching Versace luggage, along with driving shoes, and gloves. A matching watch from Versace's Precious Items department was also made available to purchasers of the car.
In 2009, Lamborghini released a limited-run update of the Murciélago Roadster. The LP 650-4's increased engine output was rated at 650 PS (478 kW; 641 hp) and 660 N·m (490 lb·ft), allowing the car to reach 100 km/h (62 mph) in 3.4 seconds and achieve a top speed of 329.9 km/h (205.0 mph). Only available in Grigio Telesto grey with Arancio orange highlights, the color scheme was continued on the inside.At the 2009 Geneva Motor Show, Lamborghini unveiled the ultimate version of the Murciélago, the LP 670-4 SuperVeloce.The SV moniker had previously appeared on the Diablo SV, and Miura. They were all highly tuned versions, released at the end of each model's production run.
The SuperVeloce's V12 produces 670 PS (493 kW; 661 hp) at 8000 rpm and 660 N·m (490 lb·ft) of torque at 6500 rpm, thanks revised valve timing and upgraded intake system. The car's weight was also reduced by 100 kg (220 lb) through extensive use of carbon fiber inside and out. A new lighter exhaust system was also used. The SV came with black painted wheels. Also standard were the LP640's optional 15-inch carbon-ceramic disc brakes with 6 piston calipers. In its June 2009 issue, Car and Driver magazine estimated that the LP 670-4 SV was capable of accelerating to 100 km/h (62 mph) from a standing start in just 2.8 seconds and on to 200 km/h (120 mph) in 9.7 seconds. Lamborghini claims a top speed of 342 km/h (213 mph) when the car is fitted with an optional smaller spoiler, or 337 km/h (209 mph) with the standard Aeropack wing.
According to Maurizio Reggiani, head of Lamborghini R&D, the LP 670-4 SV's steering was tuned for high-speed sensitivity. Production of the ultimate Murciélago was limited to 350 cars, and priced from $450,000 to 600,000.
In April 2010, Lamborghini released a variant of the LP 670-4 called the SuperVeloce China Limited Edition. The car was offered for sale exclusively in China (with 12 retail outlets, China overtook Italy as Lamborghini's 2nd largest market after the USA), and is distinguished by special exterior markings.