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Audi A3 e-tron hybrid at the Geneva Motor Show


Audi A3 e-tron

The Audi A3 e-tron petrol/electric hybrid, capable of 188mpg, will be on display at the Geneva Motor Show.

The A3 e-tron also emits just 35g/km CO2, has a 31-mile range in electric mode, and is capable of 0-62mph in 7.6 seconds.

The A3 e-tron plug-in hybrid integrates a conventional petrol engine and an electric motor.

Audi says that the electrification of the drivetrain, using plug-in technology, will play a decisive role in its model strategy. This latest development is designed to give some insight into how the technology will take shape in the Audi models of the future.

A modified 1.4-litre TFSI unit, in this application featuring a peak power output of 150PS, provides the more ‘conventional’ input for the A3 e-tron. A clutch links this to a 75kw electric motor, which is integrated into a newly designed six-speed ‘e-S tronic’ transmission sending power to the front wheels. Combined, the two power units generate 204PS of system power and 350PS of system torque, good for a 0-62mph sprint of 7.6 seconds and a top speed of 138mph. Peak torque from the electric motor is instantly available from rest to around 2000 rpm, and maximum torque from the TFSI engine is on hand between 1,750 and 4,000 rpm.

According to the ECE standard for plug-in hybrid cars, the A3 Sportback-based e-tron is capable of covering up to 188mpg with CO2
emissions of just 35g/km.

The Audi A3 e-tron can run exclusively on electric power for up to 31 miles at speeds of up to 80mph, or can be powered by petrol combustion alone. Alternatively, the hybrid mode brings both units into play, and the driver can choose to run these simultaneously – a function known as ‘boosting’. When the driver stops accelerating in this mode, both motors temporarily deactivate, eliminating motor braking torque and allowing the car to glide to conserve fuel and recuperate energy.

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Audi A3 e-tron hybrid at the Geneva Motor Show 2013