297x198_A6_S6_A6all_Fas09_Bild_45 45 08.03.12 16:47
TFSI technology, among others, is employed in the
Audi A6- and S6 models. And the remarkable thing
about it is: It combines the advantages of FSI with a
supercharger, which ensures even better power
delivery. The 3.0 TFSI quattro generates 228 kW of
power. An innovative mechanically-driven
supercharger system with intercooler is employed
here and turns the 6-cylinder engine into a compact
powerhouse with moderate fuel consumption. The
peak torque of 440 Nm is sure to impress you, as
will the torque curve: at least 90 % of the maximum
torque is available over an engine speed range of
2,900 to 4,500 rpm.
Thanks to its very spontaneous responsiveness
and exceptional power delivery across the entire
engine speed range, the 6-cylinder engine
promotes a particularly dynamic driving style.
The Audi A6 Saloon accelerates to 100km/h in
just 5.5 seconds; in the A6 Avant you only need
10 hundredths of a second longer.
The Audi S8 has a V8 4.0 TFSI engine that
features the new innovative Audi cylinder on
demand. It ensures that during partial load
operation, only four of eight cylinders are used –
without you noticing the difference. The engine
always runs smoothly and powerfully, but it uses
less fuel and emits less CO₂. Thanks to its very
spontaneous responsiveness and exceptional
power delivery across the entire speed range, the
eight-cylinder engine promotes a sporty superior
driving style. Its 309 kW accelerate the
S6 Saloon at a torque of 550 Nm from 0 to
100km/h in 4.6 seconds, the S6 Avant in
4.7 seconds. The engine is electronically
limited at 250km/h.
The 2.8 FSI (150 kW) with Audi valvelift system
(AVS) completes the engine options for the Audi
A6. The AVS valve control system helps to
reduce fuel consumption. In combination with
the S tronic 7-speed dual-clutch transmission
and the quattro permanent all-wheel drive, the
2.8 FSI accelerates the A6 Saloon from
0 to 100 km/h in just 8.1 seconds and the
A6 Avant in just 8.3 seconds. The 2.8 FSI is also
available with front wheel-drive and multitronic®.
All FSI and TFSI engines in the A6 and S6 models
comply with the EU5 emission standard.
The fuel consumption and CO₂ emission figures can be found from page 120 onwards.
In just a few seconds you will understand why.
Audi cylinder on demand in the TFSI®
engine. If the V8 4.0 TFSI engine of the
Audi S6 does not require the full power
of the 8 cylinders in the partial-load
range, the inlet- and outlet valves of
4 cylinders – 2 each per cylinder bank –
are closed by Audi cylinder on demand
and their ignition and fuel injection are
switched off. This means that neither is
air taken in, fuel injected nor is exhaust-
gas emitted. The deactivation depends
on several factors: the engine speed
must be between 960 and 3,500 rpm,
the vehicle must be travelling at a
minimum speed of 25 km/h and on the
7-speed S tronic you must be driving in
third gear or higher.
4.0 TFSI engine (S6 engine)
intake manifold with switch flaps
air-to-water intercooler
twin scroll turbocharger
Audi cylinder on demand
switch valve in coolant circuit for thermal
management
generator with recuperation
A6_S6_A6all_Fas18_2012_03.indd 45 27.04.12 10:28
