Friday, November 18, 2011

Hatchback Debuts at the 2011 LA Auto Show

Up until now, we’ve seen all kinds of Audi EV concepts with “e-tron” label ranging from the A1 supermini to a sub-R8 supercar. At the 2011 LA Auto Show, the Ingolstadt-based company presented yet another e-tron model, this time based on the current A3 Sportback five-door hatchback.
The new A3 e-tron is powered by a permanent magnet synchronous electric motor. It produces a continuous output of 82HP with a peak output of 114HP, and a maximum torque of 270 Nm (199 lb-ft), with power directed to the front wheels through a single-speed transmission.
The electric motor is fed by a 300 kg (661 pounds), 26.5 kWh lithium-ion battery, which is spread out in blocks under the luggage compartment, the rear seat, and in the center tunnel. It consists of 30 modules that are water-cooled with the dissipated energy used to heat the car’s interior.
Audi says that at low temperatures, the system is assisted by an electric PTC heating element, while an air conditioner is activated in hot weather.
The A3 e-tron accelerates from 0-100 km/h (0-62 mph) in 11.2 seconds and reaches a limited top speed of 145 km/h (90 mph), while recharging the battery takes about nine hours with a 230V house socket.
Audi states that the A3 e-tron has an average driving range of about 140 km (86.99 miles). This, however, depends on the driver as well, as he can choose between three operating modes (efficiency, auto and dynamic) and four settings concerning the degree of kinetic energy recovery during braking or coasting.
Despite been based on a stock A3 Sportback, the A3 e-tron’s interior features an Alcantara and leather upholstery that is warmer than pure leather and a heated windshield that, according to the company, is much more efficient than a conventional air conditioning unit in maintaining the glass free of condensation.


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