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2015 Porsche 911 Carrera GTS revealed – but not in Paris. Costs from £91,098

The new 2015 Porsche 911 Carrera 4 GTS (pictured) now on sale We had assumed that the lack of an appearance at the Paris Motor Show for the new Porsche 911 Carrera GTS meant Porsche had decided to leave the official reveal until later in the year. But here it is, and it’s going straight on sale. Having waited almost until the end of the 997’s life before launching a 911 GTS, this latest GTS is arriving much earlier in the 991’s lifecycle than you’d expect.

Listen: Upcoming Ford Focus ST to employ sound symposer

While BMW employs a digitally sanitized/perfected sound file to give M5 owners the proper sense of aggro urgency when motoring at pace, Porsche went a little more organic with its employment of a sound symposer to feed the 911's flat-six growl into the cabin of the extra-refined 991. Essentially, the sound symposer is an electrically controlled diaphragm in a tuned sound tube that brings the proper engine noises into the passenger compartment. It can be opened and closed by the car's onboard electronics to offer snarl when you want it and serenity when you don't.

Porsche future products: Small SUV, entry-level roadster in the plan

Porsche plans a major expansion of its product range by the middle of the decade. CEO Matthias Mueller has promised at least one new model a year, starting with the redesigned 911 that arrives in February. An SUV that is smaller than the Cayenne will be added, along with an entry-level roadster.