• S8
    S8
    Luxurious and intelligent, with the sportiness and presence of an S model.

    Fuel consumption, combined: 9.6 l/100 km

    CO2 emissions, combined: 225 g/km

  • New A8 L (2018)
    New A8 L (2018)
    Winner of World Luxury Car 2018

    Register your interest now

  • SQ5
    SQ5
    Stunning performance, everyday applicability and progressive technology.

    Fuel consumption, combined: 8.7l/100km

    CO2 emissions, combined: 200g/km

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TDI®

A synonym for supreme pulling power and maximum efficiency: TDI – an innovation from Audi. Today, TDI engines are sporty, smooth and economical.

A synonym for supreme pulling power and maximum efficiency: TDI – an innovation from Audi. Today, TDI engines are sporty, smooth and economical.

The groundbreaking role that Audi holds on the diesel technology front stems from the unrivalled expertise it has built up over decades. Audi engineers have been responsible for one vital breakthrough after another, the most important of these coming in 1989 when Audi unveiled the world’s first ever TDI engine in a passenger car. Today, TDI is the powerful, economical and efficient alternative for the vehicle drive of the future.

TDI engines with common rail and piezo injectors achieve extremely smooth and efficient combustion with excellent acoustic comfort. At the same time, emissions are reduced by measures such as the diesel particulate filter, which is fitted as standard. The turbocharger with variable turbine vane geometry plays a major role in producing the engine’s high torque and increasing the amount of power obtained from the same engine displacement. Control of the flow of air into the cylinder also achieves significant improvements in power build-up. This has the added advantage of allowing exhaust gas recirculation, which further reduces nitrogen oxide emissions.

Economy, low emissions and a high power yield – achieved with pioneering technologies. The latest generation of TDIs are high-efficiency, high-tech engines.

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Discover the Land of quattro and experience the unique technology in the online special.