The Porsche Cayenne | Part Three

The Porsche Cayenne

Porsche Cayenne

Electrically retractable trailer towing hook

Hitching a trailer has never been this easy. As well as conventional tow bars, Porsche offers an electrically retractable towing hook homologated to tow up to 3.5 tonnes on the Cayenne. All the driver has to do to extend of retract the hook is press a button in the luggage compartment.

Porsche Cayenne - The first-ever Porsche V6

In introducing the new entry-level Cayenne, Porsche is rounding off its range of Sports Activity Vehicles. Powered by a sporting V6, the newest member of Porsche’s Sports Utility range offers the same supreme standard of driving dynamics, safety and offroad qualities for which the third Porsche line is already acknowledged the world over.

In terms of engine output and performance, the Porsche Cayenne, like its sister models, offers the highest standards. Maximum output of the V6 power unit is 184kW (250 bhp) at 6000 rpm, maximum torque is 310Nm (228lb ft) which is available from 2500–5500 rpm. The torque curve alone is an outstanding example of muscular performance, developing as much as 300 Nm (221lb ft) from just above 2000rpm all the way to 5000 rpm. In practice it sees the Porsche Cayenne accelerating from 0–100 km/h in 9.1 seconds and continuing all the way to its top speed of 214 km/h (133mph).

This superior performance has a convincing technical foundation. The new six-cylinder is a 24-valve power unit with cylinders at an angle of 15deg and two overhead camshafts adjusted both on the intake and outlet sides in a continuous, infinite process using vane-cell adjusters. This engine concept makes the Cayenne very fuel-efficient, returning superior fuel economy of less than 12 l/100 km or more than 23.5mpg. In lie with the EU standard, the Cayenne consumes approximately 10.6 litres of fuel every 100 kilometres driven out of town (26.6. mpg), while its combined fuel consumption, which includes urban motoring, is 13.2 l/100 km (21.4 mpg) according to provisional figures.

The basic engine has been further refined by Porsche’s specialists and modified to meet the most stringent off-road demands. The engine has been sealed against the entry of water all-round and both the oil supply and crankcase venting system optimised to ensure safe and secure lubrication under all operating conditions. At the same time, Porsche’s engineers have focused on optimising the torque curve at all speeds by developing a new, multi-position intake manifold. The cooling system has also received special attention, the Cayenne being able to tow trailers weighing up to 3.5 tonnes in temperatures of up to 50deg C or 122 deg F. Thanks to the use of a high-performance oil/water heat exchanger, oil remains beneath the safe limit of 150deg C or 300deg F even under such extreme conditions.

continues... | Part Four
Published 2 June 2004 Melanie Carter

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