Year after year, the Geneva International Salon d'Auto is the site of some of the most buzzworthy automotive unveils of the car-show circuit, and this year is no exception with the wraps coming off the jaw-droppingly gorgeous Lamborghini Aventador J edition roadster. The open-air two-seater "J" forgoes a roof entirely, but it packs the same 6.5-liter V12 engine putting out 691 horsepower and 509 pound-feet of twist as its hard-topped sibling, Autoweek says. Pricing hasn't been announced and may never be made public.
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