Specifications

297x198_RS4_Fas09_RZ.indd 30 18.02.13 14:32
30 quattro®
Those who know Audi know quattro. And once
you have driven with the permanent all-wheel
drive from Audi, you do not want to drive with
anything else. Why? Because there is hardly
another drive system around that transfers the
engine’s power to the road so directly.
The Audi RS 4 Avant offers a special version of
the quattro drivetrain. Its main component is
the self-locking crown gear centre differential
that has disc sets to achieve high blocking
factors for even better traction. It is also lighter
and more compact than the previous design.
The asymmetrical basic design of the torque
distribution of 40 : 60 (front axle : rear axle) is
retained for the benefit of the driving dynamics;
but now a greater share of the torque can be
directed to the front or rear axle if required.
In conjunction with the wheel-selective torque
control, the drive force is distributed to each
individual wheel depending on the driving
situation. The special feature here is that the
effect
of torque distribution is felt before
undesirable
wheel slip occurs. This allows a
resulting yaw moment to be produced which
supports cornering.
The overall result is precisely controllable and
sporty vehicle handling as well as increased
agility coupled with outstanding traction.
The quattro drivetrain with wheel-selective
torque control can be supplemented by
the sport differential on the rear axle on
request.
The crown gear centre differential
has disc sets to achieve higher blocking
factors. This allows up to 85 % of the
drive torque to be distributed to the rear
axle and up to 70 % to the front axle.
The fuel consumption and CO₂ emission figures can be found on page 60.
Why only use two wheels
when a car has four?
The quattro® permanent all-wheel drive.
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