Lamborghini Aventador LP 700-4 Roadster
The Lamborghini Aventador LP 700–4 is a two-door, two-seater sports car publicly unveiled by Lamborghini at the Geneva Motor Show on 28 February 2011, five months after its initial unveiling in Sant'Agata Bolognese. Internally codenamed LB834, the Aventador was designed to replace the ten-year-old Murciélago as the new flagship model in the Lamborghini lineup starting in 2011. Soon after the Aventador unveiling, Lamborghini announced that it had already sold over 12 months of the production vehicles, with deliveries starting in the second half of 2011.
Production will be limited to 4,000 units (4,099 Murciélagos have been built). The molds used to make the carbon-fibre monocoque are expected to last 500 units each and only 8 have been made.The first 1,000 Aventadors were built in 15 months. The car's shape also borrows heavily from Lamborghini's limited-edition Reventón and their Estoque concept car.
Engine
The Aventador LP 700–4 uses Lamborghini's new 700 PS (510 kW; 690 bhp) 6.5 litre 60° V12 engine weighing 235 kg. Known internally as the L539, the new engine is Lamborghini's fourth in-house engine and second V12. It is the first all-new V12 since the 3.5 litre powerplant found in the 350GT.
The Lamborghini Aventador LP 700-4 Roadster is an adaptation of the Lamborghini Aventador LP 700-4 model with a new removable roof, which is made up of two carbon-fiber material that weighs a total of 26.4 pounds(13.2 pounds each). The biggest visual difference between the Aventador hardtop and the Roadster is its unique engine cover. Its distinguishing features are twin vented hexagon shaped windows and a center "spinal column", as the company calls it, running down the middle showcasing the same 6.5-liter V-12 with 691 horsepower and 509 lb-ft of torque as the coupe model. The Aventador Roadster also gets its own launch color, a new metallic blue dubbed Azzuro Thetis, whose color and shade varies, depending on the angle and intensity of the light. The color reportedly was inspired by the 1968 Miura Roadster concept shown at that year's Brussels auto show. The Roadster also gets special interior enhancements, specifically liberal use of leather called Sabbia Nefertem that Lamborghini says is complementary to the Azzuro Thetis sheen.
The 2013 Aventador LP 700-4 Roadster was announced for production in November 2012, equipped with the same internals as the coupe version, Lamborghini claims again that it can reach 100 km/h (62 mph) in 2.9 seconds and a top speed equaling that of the coupe, at 349 km/h (217 mph). The removable roof consists of two carbon fiber panels, weighing 6 kg (13 lb) each, which required the reinforcement of the rear pillar to compensate for the loss of structural integrity as well as to accommodate the rollover protection and ventilations systems for the engine. The panels are of easy removal and are stored in the front luggage compartment. The Aventador Roadster has a unique engine cover design and an attachable wind deflector to improve cabin airflow at high speed as well as a gloss black finish in the A-pillars, windshield header, roof panels, and rear window area. The car has a $441,600 base price. With a total weight of 1625kg it's only 50kg heavier than the coupé (the weight of the roof, plus additional stiffening in the sills and A-pillars)
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