Photos of the new Porsche 911 Carrera 4 and 4S leak out ahead of official debut

We may have to wait till Monday for the official release from Porsche, but apparently these are the official images of the new 991 Carrera 4 and 4S, which have found their way onto the web today.

Power options will be carried over as on the RWD versions with the base Carrera 4 featuring a 3.4-litre flat-six with direct fuel injection and an output of 345hp (350PS) at 7,400 rpm and 390Nm (288 lb-ft) at 5,600 rpm, or buyers can opt for the Carrera 4S model fitted with the 3.8-litre flat-six with direct fuel injection rated at 394hp (400PS) at 7,400 rpm and 440Nm (324 lb-ft) at 5,600 rpm.