The New Lamborghini Aventador J Roadster is more aggressive than the standard Aventador. Based on the Aventador LP 700-4, the Aventador J is powered by Lamborghini’s new 6.5L, 12-cylinder powerplant with 700-hp, mated to their ISR transmission with a permanent all-wheel drive. The open version Aventador also sports a newly-designed monocoque and the Aventador J has a dry weight of less than 3,500 lbs.
The 700-hp two-seater is quite possibly the best looking Lamborghini to ever hit the road and is without a doubt, a one-of-a-kind piece of art. The letter “J” in its name comes from the sporting rules of the FIA world motorsport organization where its “Appendix J” defines the technical specification of race cars in the
Six months after unveiling the Aventador, plans for a roadster version were leaked by the U.S. EPA after it included the model on a data sheet on its website. Lamborghini officially unveiled the Aventador J to the world at the 2012 Geneva Motor Show. The roofless and windowless concept car uses the same V12 engine as the standard Aventador, producing 700 hp through a lightweight seven-speed automated transmission. The car does not have air conditioning or radio to save further weight for a total of 3,472 pounds (1,575 kg). The car presented at the Geneva show was the only unit to be produced, and was sold for US$2.8 million. Another Limited Edition model was made for Shaikh Al Yahyaa and was sold at an unknown price. The car was specially made for a close relation.
The J designation was thought to have come from Appendix J in the FIA rulebook that describes the technical specifications of race cars. However during an interview with designer Filippo Perini, it was revealed that the 'J' actually stands for Jota, in reference to a 1970s one off Lamborghini Miura Jota which also conformed the FIA's Appendix J regulations.
various classes.
Most interesting is that the Aventador J will be available for sale, but it’ll be the only one. Lamborghini specified in their release that “there is only one of them, no prototypes and no others for the Lamborghini Museum. The buyer can look forward to a truly unique, street-legal work of art.”
0–97 km/h (0–60 mph): 2.9 s
400 m (1⁄4 mi): 10.6 s @ 220 km/h (137 mph)
Top speed: Official: 350 km/h (217 mph), measured by Sport Auto magazine: 370 km/h (230 mph)[14]
97–0 km/h (60–0 mph): 30 m (100 ft)[citation need