Both luxury V6 diesel 4x4s pack a hefty punch, but only one can come out the winner
Two hybrids will join the new Porsche Panamera's model range
The boss of Porsche has confirmed that the company will offer two 'performance-orientated' versions of its new luxury saloon
CEO Wolfgang Dürheimer confirms that the £2m Chiron will attempt to break the 268mph road car speed record currently held by the Veyron
The second-generation Panamera is the first to be based on Porsche’s new MSB platform; set to rival Audi's A8 and the Maserati Quattroporte
The new GT R will soon be joined by other variants of Mercedes’ high-performance coupé
Source suggests a production GT could be engineered around the rear-diff and suspension of the all-wheel drive Mokka
Powered by a 577bhp twin-turbocharged 4.0-litre V8 engine, the GT R boasts the label of Mercedes-AMG's most advanced road car
High-tech sports car could ditch its 1.5-litre three-pot hybrid powertrain for an electric system; but first the current car will get more power and a facelift
New pictures suggest quicker, lighter Focus RS special could be under development; its 0-60mph time could dip below 4.0sec
Performance-oriented versions of Volvo's luxurious S90 and V90 models will go on sale early next year
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