Here is the first image of the Porsche Panamera, which will go on sale in September.
Porsche's first four-door saloon is expected to be priced from £50,000 to £100,000.
Buyers will have numerous interior options, including 13 combinations of finish and material.
Other options include eight-way adjustable seats in the front, plus side, curtain and knee airbags, four-way climate control and a 16-speaker stereo.
The standard Porsche Panamera will have 445 litres of luggage space, while the Turbo version will get 432 litres. Porsche says that four full-size suitcases can be stored in the ‘upright’ position behind the rear seats.
Porsche has also revealed that Panamera's with the PDK semi-automatic gearbox will get an engine stop-start system to help reduce fuel consumption and CO2 emissions.
All cars will come with a vehicle tracking devise as standard, and all buyers will receive a complimentary Porsche driving course at Silverstone race track.
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