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. Continue reading for a video and more information.

The 515 kW / 700 hp two-seater is a first class technology showcase, combining innovative solutions and brand new materials and demonstrating Lamborghini’s expertise in carbon fiber technology.

Oh and there is only one of them. The one you see right here is the only Aventador J that will ever be produced. No prototypes, no additional model for the Lamborghini Museum, just a one of a kind piece of art for one lucky buyer (who ultimately paid $2.8 million for it)

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