Work continues on the Rolls-Royce Wraith Drophead Coupe as our spies have caught a heavily camouflaged prototype undergoing cold weather testing.

Work continues on the Rolls-Royce Wraith Drophead Coupe as our spies have caught a heavily camouflaged prototype undergoing cold weather testing.

Set to go on sale in mid-2016, the car has a familiar design but adopts a retractable soft top and a slightly revised rear end.

While the pictures don't reveal much, Rolls-Royce has previously said the convertible will have "contemporary, graceful and sensuous styling."  The automaker also stated the Wraith Drophead Coupe "will deliver effortless, open-top touring through the perfect marriage of modern Rolls-Royce luxury, style and elegance with an engaging and exhilarating driving experience."

Rolls-Royce has been coy on specifications but the model is expected to use a 6.6-liter V12 engine that produces 632 PS (624 bhp / 465 kW) and 800 Nm (590 lb-ft) of torque. This enables the Wraith to accelerate 0-100 km/h in 4.6 seconds, so expect the Wraith Drophead Coupe to be a few ticks slower.

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