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  • A3 Sportback
    A3 Sportback

    The Audi A3 Sportback. Five doors lead to its five greatest strengths: sportsmanship, driving dynamics, comfort, functionality and style.

  • A3 Sedan
    A3 Sedan

    Modern and distinctive – it’s Audi’s smartest innovation. The all-new Audi A3 Sedan has the power to change the way you drive.

  • S3 Sportback
    S3 Sportback

    The dynamic silhouette of the Audi S3 Sportback shows hints of what lies within: a serial quattro drive high performance engine.

  • S3 Sedan
    S3 Sedan

    Power that does not let you go. Brought onto the road with confidence by the standard quattro® permanent all-wheel drive. Thrilling performance. Unique look. Typical S.

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  • A4 Saloon
    A4 Saloon

    The ideal balance between performance and efficiency, sportsmanship and sovereignty, intelligence and emotion: The Audi A4.

  • A4 Avant
    A4 Avant

    Audi A4 Avant. Progressive, not conservative. Athletic, not inert. Comfortable, not cozy. Efficient, not humble. Avant, not station wagon.

  • RS 4 Avant
    RS 4 Avant

    Athletics and functionality on a line. The Audi RS 4 Avant.

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  • A7 Sportback
    A7 Sportback

    The A7 Sportback is the first in its class to unite the elegance of a Limousine, the functionality of an Avant and the dynamics of a Coupé.

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  • A8 L
    A8 L

    The Audi A8 L. Witness its powerful sovereignty. Led by luxury, complemented by performance, dynamics and efficiency. Throughout its full length.

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  • Q2
    Q2

    #untaggable. Defy conventions. Bold and muscular, yet compact and sleek. An urban character for everyday life.

  • SQ2
    SQ2

    Powerful and self-confident. The Audi SQ2.

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  • Q5
    Q5

    The SUV for a new generation. Convincing without being persuasive. Sportive without being unreasonable. Efficient driving pleasure.

  • SQ5
    SQ5

    The SUV for a new generation. Convincing without being persuasive. Sportive without being unreasonable. Efficient driving pleasure.

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  • Q7
    Q7

    Versatile top-class SUV. The Audi Q7.

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  • Q8
    Q8

    The new face of the Q family: the Audi Q8

  • RS Q8
    RS Q8

    Performance in a new dimension. The Audi RS Q8.

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  • TT Coupé
    TT Coupé

    The Audi TT Coupé. Pure emotion packaged in form and function. Pure consistency in quality and efficiency. Pure sportsmanship brought to the road.

  • TTS Coupé
    TTS Coupé

    The Audi TTS Coupé is bursting with sports car genes. Dynamic driving even controlled - by the new quattro permanent all-wheel drive. The design is individualized by S-specific elements and instantly recognizable. The innovative technologies in the drive, as well as new control and display concepts - including the Audi virtual cockpit - characterize the Coupé.

  • TT RS Coupé
    TT RS Coupé

    Ultimate sportiness. The Audi TT RS Coupé.

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Audi | Hong Kong Official Website Models Technology

Audi ultra

The name Audi ultra brackets together all efficient technologies from Audi that jointly pursue the goal of further reducing CO2 emissions and fuel consumption. This includes improvements in many areas, especially advances that have been made in lightweight technology and conventional drive technology.

Conflicting expectations are placed on modern-day vehicles: they are meant to offer greater power and comfort on the one hand, while being more economical and efficient on the other. With Audi ultra, we have resolved this conflict by scrutinising each and every component. We seek high levels of functionality while minimising weight. The result is an intelligent mix of materials that even allows engines to be smaller. Lighter vehicles no longer need a large engine to be agile.
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For example, all TDI and TFSI engines with Audi ultra produce more power per litre of displacement, making them more efficient than the corresponding engines used in earlier model series. Fuel consumption and CO2 emissions are reduced accordingly.

But that is not the only measure for improving efficiency. By means of recuperation, for example, the kinetic energy taken from the vehicle when braking and coasting is converted into useful electrical energy by increasing the alternator voltage, and temporarily stored in the vehicle’s battery. This energy is used to relieve the load on the alternator during subsequent acceleration or constant-speed driving, saving up to 3% fuel and cutting CO2 emissions depending on driving cycle. Audi already uses this technology in many of its models. When the vehicle comes to a standstill and the driver takes his or her foot off the clutch, at traffic lights or in a traffic jam for example, it hardly uses any fuel. The start-stop system turns off the engine and restarts it as soon as the clutch is pressed.

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