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Engines
Petrol
FSI® direct-injection technology is a unique Audi innovation that
was originally developed for the Le Mans 24-hour endurance
race to deliver more power and torque, as well as enhanced fuel
efficiency. Precisely the right amount of fuel and air are injected
into the combustion chambers, enabling the engine to ‘breathe’
more easily. It results in reduced heat loss and increased
output, with around a 15% reduction in fuel consumption and
significantly lower exhaust emissions. We’ve also developed
TFSI®, with either turbocharging or supercharging, which
combines FSI® technology with forced induction – giving cars an
extra injection of power.
Diesel
We introduced TDI® to the roads in 1989, marking a departure
from the noisy, fuel-thirsty diesel engines of the past. And since
then, we’ve continuously refined it, recently developing common-
rail technology. Under this system, a series of piezo injectors
use electrical charge to precisely control the amount of fuel
injected into the engine. As well as reducing noise, this allows
combustion to happen at a lower temperature, with less oxygen,
which cuts down emissions.
Images for illustrative purposes only