2008
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Test Drive by Independent Experts confirms Supreme Economy of Porsche Sports CarsStuttgart. Porsche sports cars embark on record-breaking test drives time and again - but this time the purpose of the test was quite different:
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Driving a regular 345 bhp Porsche 911 Carrera with Porsche's
PDK Porsche-Doppelkupplungsgetriebe, the car tester, ex-racing driver and
presenter of the n-tv Motor magazine Klaus Niedzwiedz covered 648 kilometres
or exactly 400 miles on public roads, achieving extremely low average fuel
consumption of just 6.7 litres/100 kilometres, equal to 42.2 mpg imp. In
the process, he easily outperformed the combined fuel consumption specified
under the Euro 5 standard which, at 9.8 litres/100 kilometres (28.8 mpg imp)
already sets the absolute benchmark in this category of sports cars in terms
of fuel economy. The Porsche Carrera covered about 190 kilometres/118 miles
of the total route on country roads and 30 kilometres/19 miles in city traffic,
with the remaining distance on the Autobahn. The car's tank was filled up
prior to and after the test drive by a certified inspector of the German
DEKRA Car Inspection Authority, who also sealed the fuel tank and the engine
compartment in the process. Under normal traffic conditions, with the headlights
switched on, and with rain from time to time, the driver sought to keep the
car's engine speed between 1,800 and 2,000 rpm, with a road speed between
90 and 130 km/h (56 - 81 mph). The average speed achieved in the process
was 84 km/h or 52 mph. In the words of test driver Klaus Niedzwiedz, "the
result proves that with a lot of feeling and discipline you can even drive
a 3.6-litre, 345-bhp sports car very economically." The test drive confirms
once again that Porsche is going the right way in its process of technological
development. Within a very short time, all production versions of the Porsche
911 with a natural-aspiration power unit have been converted to brand-new
engine technology featuring DFI Direct Fuel Injection, improving fuel economy
by more than 12 per cent, and with a substantial increase in both torque
and engine power. The optional PDK transmission with seven gears likewise
makes a significant contribution to the car's greater fuel economy, at the
same time giving the six-cylinder models even more power and performance.