The marque spent four months working on the convertible.
It can be yours for £220 million.
The hybrid – which features a custom engine and transmission – is expected to begin deliveries in 2023.
It took to the city streets after the 35-minute joyride.
It can cover 60 miles on a single charge and sleep four adults.
The new vehicle will be the British marque’s final before the debut of the all-electric Evija hypercar.
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