2008
2008
ZUR DEUTSCHEN VERSION
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The Audi A4 TDI concept e
Audi is committing
major resources in order to continue improving fuel efficiency and reducing
emissions.
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Audi is committing major resources in order to continue improving fuel efficiency
and reducing emissions. The brand is introducing a trend-setting technology
concept at the Paris Auto Show: the A4 TDI concept e offers the typically
agile experience of driving an Audi, yet it uses just 3.99 liters of fuel
per 100 km (58.95 US mpg), which corresponds to a CO2 output of only 105
grams per km (168.98 g/mile). With this near-production study, Audi demonstrates
the great potential of the technologies in its modular efficiency system.
The powertrain of the Audi A4 TDI concept e uses a direct-injection TDI engine
with an output of 88 kW (120 hp) and 290 Nm (213.89 lb-ft) of torque. It
propels the sedan from 0 to 100 km/h (62.14 mph) in 10.7 seconds, and tops
out at 206 km/h (128 mph). An entire array of details - from soft springs
on the intake valves to a new thermal management system - improves fuel
efficiency. Intelligent technologies are used in the engine's functional
environment as well, such as on the fuel pump and on the automatic air
conditioning's compressor. The recuperation system is another fundamental
component for improving fuel efficiency. It recovers power when braking and
coasting to a stop, and temporarily stores it in a battery. A start-stop
system switches the engine off when the vehicle comes to a standstill. Magnesium
was used to reduce the weight of the six-speed transmission, which received
an insulating cover for faster warm-up and modified gear ratios. Audi uses
an electromagnetic servo assembly for steering; electrically actuated brakes
are fitted at the rear. The 225/45 R17 tires have been optimized for road
resistance. Sophisticated fine-tuning measures have improved the aerodynamics
of the body. Two types of support are at the driver's fingertips: he can
either call up an economy training program, or have the navigation system
calculate the most fuel-efficient route to his destination.
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The equipment, data, and prices specified refer
to the models offered in Germany. Subject to amendment; errors and omissions
excepted.
READER COMMENTS
AUDI AG, Kommunikation
Produkt
AUDI AG, Product Communications
Ingolstadt, May 2008 |
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