Its a case of being in the right place at the right time that we can evidently show you today. Our spies have caught a prototype of the open-top Lamborghini Aventador Roadster super car when out testing in the winter wonderland within Northern Sweden.

Spy photographers have caught a prototype of the open-top Lamborghini Aventador Roadster super car out testing in the winter wonderland of Northern Sweden.

At first glance it could easily be mistaken for the coupe variant, but looking a little closer we can see the carefully placed black tape over the roof. Instead of a retractable roof that would automatically tuck away behind the seats, it is actually a removeable roof panel that drivers will have to stop and take off manually.

Under the hood, the Roadster will boast the same monster that is also in its coupe sibling. The 6.5 liter V12 engine bangs out 700 PS (690 bhp / 515 kW) and 690 Nm (509 lb-ft) of torque and is mated with a a 7-speed independent shift rod transmission. The LP700-4 Aventador also features a Haldex all-wheel drive system.

The coupe is able to to accelerate from 0-100 kph (0-62mph) in 2.9 seconds but the additional weight of the roadster should add an extra tenth to this time with the roof on. A further three or four tenths should be expected with the roof removed.

The Aventador Roadster is expected to be unveiled at the Geneva Motor Show which begins next week and may possibly be joined by a limited-production version of the Sesto Elemento Concept.

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