Porsche Panamera V6 announced
The engine produces 296bhp and 296lb ft of torque, and will be available on two and four-wheel-drive versions of the car.
The engine is 30kg lighter than the current V8 unit in the Panamera S and 4S. This helps the two-wheel-drive V6 Panamera to do an average of 30.4mpg and emit 218g/km of carbon dioxide. The four-wheel-drive version manages 29.4mpg and 225g/km, when equipped with Porsche's PDK double-clutch gearbox.
Buyers can also low-rolling-resistance tyres, which lower CO2 output by 5g/km on both cars.
Prices will start from £61,461, rising to £66,929 for the Panamera 4. Further details will be released when the car is unveiled at the Beijing motor show on April 23.