Lamborghini presented the Aventador J Roadster supercar that promises to leave no one indifferent, they will compete for the attentions of the Geneva Motor Show with the Ferrari F12 Berlinetta. The Aventador J is distinguished by the absence of the roof and the presence of a mirror located centrally between the two mini windshields. The new Lamborghini Aventador J is the most radical convertible supercar ever produced in the history of Lamborghini, the company says its going for a two-seat sport-bike effect. It is equipped with an impressive 6.5 liters V12 engine with 700cv and 690 Nm of torque. The Italian brandpromises more than 300 km/h(186 mph) and unique sensations for driver and passenger.