The Porsche Cayenne and Panamera have gained detailed improvements, additions and new options. From June production, the Cayenne Diesel receives a second generation engine offering greater efficiency and lower CO2. At the same time, the range of options for the Panamera Gran Turismo has been expanded, including in-car wireless internet access for the first time. Prices for all enhancements will be confirmed separately.

New engine for Cayenne Diesel

The three-litre V6 Diesel engine offered in the Cayenne retains the same bore and displacement, but now delivers 245 hp, 5 hp more than previously. Fuel economy rises to 39 mpg from 38.2mpg, and CO2 emissions have dropped six grams to 189 g/km. The power increase has had a positive effect on performance. For example, the acceleration time from 0 – 62 mph has been cut by 0.2 seconds to 7.6 seconds, and top speed is up 2mph to 137mph.

The improvements in efficiency have been achieved through a package of measures, including use of new materials to reduce weight and lower internal friction and resistance. Furthermore, a new turbocharger, a revamp of the injection system and enhanced thermal management each make a contribution.

For example, the crankshaft has been redesigned with fewer counterweights and hollow bores to make it lighter and more free-revving than previously. Direct injection pressure has increased by 200 to a maximum of 2000 bar, which in turn increases the quality of air:fuel mixture formation. The variable geometry turbocharger is also a new design with optimised bearings and a new compressor wheel, which translates into improved throttle response and greater efficiency. The package of measures also removed 20 kg from the weight of the V6 engine, reducing the unladen weight of the Cayenne Diesel to 2080 kilograms.

Cayenne S Hybrid

Modifications to the hybrid manager now offer even more specific driving experiences. If the conditions are right, it will be possible even from a cold start to drive and manoeuvre at low speed on electric power alone. Previously, driving and manoeuvring on electric power after starting the engine was only possible once the operating temperature had been reached.

Cayenne Turbo Powerkit joins range of options

A new range of Porsche Exclusive options for the Cayenne models have been introduced. As with the Panamera Turbo, a Powerkit is now on offer for the Cayenne Turbo, boosting the maximum power by 40 hp to 540 hp. Maximum torque increases by 50 Nm to 750 Nm. Performance also improves to 4.6 seconds (0.1 s quicker) from 0 – 62 mph and the 176 mph top speed has improved by 3 mph.

The Porsche Intelligent Performance philosophy ensures fuel consumption and emissions remain unchanged; with the optional Powerkit, the Cayenne returns 24.6mpg Combined and 270 g/km CO2.

The increase in power is achieved partly by two new turbochargers – with titanium-aluminium turbine wheels – and adjustments to the engine electronics, resulting in perceptible improvements in the engine response. In tandem with the power increase, the cooling of the brakes has been further improved. Available as a further option are Porsche Ceramic Composite Brakes (PCCB) which now provide deceleration courtesy of larger front brake discs, now 420 mm in diameter. An optional 20 inch collapsible spare wheel is available for vehicles equipped with this system.

Further cosmetic options from Porsche Exclusive now available for the Cayenne include tinted LED rear lights, Bi-Xenon headlights in black including Porsche Dynamic Light System (PDLS) and quad sports exhaust tailpipes.

Porsche Exclusive is also offering numerous new options for visual customisation inside the Cayenne, for example new decorative stitching and leather packages as well as the distinctive Yachting Mahogany wood treatment. A milled aluminium Tiptronic-S gear selector lever and new stainless steel and carbon door sill guards are also available.

New options for Panamera

From June 2011 a new wireless internet access is available on the Panamera, allowing passengers to go on-line while in the car.

Further options available from the autumn include the Lane Change Assist system adapted from the Cayenne. This monitors the area behind and to the side of the vehicle, as well as the critical ‘blind spot’, and informs the driver via a signal in the exterior mirror if the system has located another vehicle in the adjacent lane. The Lane Change Assist system can be activated by a switch on the driver’s door and operates between 19 and 156 mph.

New Porsche Exclusive options for the Panamera exterior are Bi-Xenon headlights in black including Porsche Dynamic Light System (PDLS) and a redesigned sports exhaust tailpipe.

Prices for all equipment upgrades and options will be confirmed nearer the on-sale date of June 2011.