Audi working on a lightweight model based on A5 Coupe

Article by Christian Andrei, on August 25, 2010

Watch out for Audi's production car that is said to be very similar to the lightweight A5 coupe prototype. Sources say that Audi used an advanced aluminum and carbonfiber construction, making the 2.0-litre turbocharged coupe 100kg lighter than the standard steel-bodied production version.

However, compared to a standard A5 3.2 V6 quattro, it weighs 240kg less but can match it in terms of performance but not power.

Powering the lightweight concept is the 2.0-litre, 208bhp FSI engine, achieving a power-to-weight ratio of 159bhp per ton. On the other hand, the production A5 3.2 FSI V6 quattro with 261bhp, shades it only by a fraction at 170bhp per ton.

Unlike the standard A5, which is constructed around a conventional steel monocoque chassis, this car is built around an aluminum spaceframe chassis, covered in aluminum panels. Carbonfiber-reinforced plastic is the material used in the boot and bonnet.

By doing this, Audi says it proves that its cars can downsized with the use of smaller engines, brakes, wheels, tires and fuel tanks; however, it still maintains its performance.

While the actual car probably won't make production, Audi assures that a very similar vehicle will arrive at showrooms soon.

Topics: audi, audi a5, coupe

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