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Audi S4 sedan
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Audi S4 debuts
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18th September, 2015
Audi debuted the new S4 and S4 Avant at the IAA in Frankfurt am Main in
Germany this week. The top models from the A4 series will arrive with lightweight design, powerful engines, and an
extensive package of the latest technologies.
Engine
The power for the S models is a newly developed V6 engine with petrol direct injection and turbocharging. The 3.0 TFSI
has an output of 260 kW; its 500 Nm of torque is available across a wide range of speeds from 1,300 to 4,500 rpm. The
engine outstrips its predecessor in terms of power and torque, while simultaneously offering significantly lower fuel
consumption and weight.
The engine can accelerate the Audi S4 from 0 to 100 km/h in 4.7 seconds, and the electronic limiter kicks in at 250
km/h. Despite its considerably improved performance, the V6 is efficient. In the NEDC cycle, the S4 Sedan consumption
rating is less than 7.4 litres of fuel per 100 kilometres with 170 grammes CO2 per kilometre.
The new eight-speed tiptronic transmission is efficient and provides fast, comfortable and spontaneous gear changes.
Whenever the driving situation allows, it switches to freewheeling to save fuel.
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As on every Audi S model, the power of the 3.0 TFSI is transmitted to the road by quattro permanent all-wheel drive.
During normal driving, the self-locking centre differential funnels 60 per cent of engine torque to the rear axle and 40
per cent to the front. Depending on the operating situation, it can distribute up to 70 per cent to the front axle or up
to 85 per cent to the rear.
The wheel-selective torque control based on an intelligent software function rounds off the quattro drivetrain. For
dynamic cornering, the wheels on the inside of the bend are slightly braked before they can slip. This makes handling
more precise, agile, and stable. A sport differential available as an option improves the handling further by actively
distributing the forces between the rear wheels.
Suspension
The new Audi S4 and S4 Avant handle corners of all kinds with aplomb – whether on a race track or a mountain pass. For
fast motorway driving, both models feature impressive straight-line stability. This performance is down to the newly
developed suspension. The five-link suspension on the front and rear axle precisely separates the longitudinal and
transverse forces, thus ensuring optimum handling in all driving situations. Like the electromechanical power steering,
both are designed to be very lightweight. Variable speed-dependent dynamic steering is available as an option.
The standard S sport suspension is 23 millimetres lower than a standard A4 model. The ride height is the same with the
optional suspension with active damper control. Along with the engine, steering, tiptronic and sport differential, CDC
dampers (CDC = continuous damping control) are included in the Audi drive select handling system which comes as standard.
This enables the driver to adjust the suspension characteristics in several modes.
The standard 18 inch wheels in 5‑twin-spoke star design roll on 245/40 size tyres. A 19‑inch alternative is available
from quattro GmbH. Powerful, stable brakes are fitted on the large wheels.
Design
The appearance of the new S4 models is subtly understated. At the front, the Singleframe grille and the accentuated
horizontal lines underline the width. The bumpers and air inlets are prominently profiled. Many of the add-on parts are
painted in finely graduated matt grey tones, accentuated with chrome trimming at selected points.
The exterior mirror housings in aluminium look are a visual highlight on the clear flowing side lines of the 4.74
metre long S4. The strongly profiled sill trims also give both models a striking appearance. On the tailgate, a
separating edge provides targeted aerodynamics. The S‑specific rear bumper integrates a black honeycomb grille, an
S‑typical diffuser clip, and the four tailpipes of the dual-branch exhaust system. Intelligent composite construction
characterises the body. This makes it exceptionally torsionally rigid, safe, and lightweight. It is the basis for the low
unladen weight of the car. The sedan with quattro drive as standard tips the scales at 1,630 kilogrammes, the Avant at
1,675 kilogrammes.
Interior
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The interior can seat five occupants. The acoustic comfort sets new standards in the class, while the build quality is
at a very high level. The Audi S4 Avant provides 505 to 1,510 litres of luggage space depending on the position of the rear
backrests. The S4 Sedan has 480 litres of luggage capacity in the trunk. The homogeneous styling with broad air vent strip
on the instrument panel and integrated air conditioning control panel gives the interior a generous width. In darkness,
LED light guides outline the profiles of the doors and the centre console.
The S sport seats are covered in a combination of pearl Nappa leather and Alcantara in the colors ebony, rotor grey
and magma red. They have adjustable side sections, integrated headrests, and a pneumatic massage function. Typically for
an S model, black is the dominant color in the interior. The standard inlays are made of matt brushed aluminium. Details
such as the illuminated door sill trims with S4 logos, the embossing in the seats, and the special S4 start screen round
off the high quality equipment.
The technical innovations in the interior include the optional Audi virtual cockpit. The fully digital instrument
cluster displays all key information on a high‑resolution 12.3-inch screen using detailed graphics. The driver can choose
between three views – one of them is an exclusive Sport screen, which moves the rev counter into the centre.
The second major innovation on the S4 models is the MMI operating system. Its operating logic is similar to that of
the latest smartphones, including the intelligent free text search function.
Infotainment and Audi connect
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MMI offers the driver three operating methods: voice control, the new multifunction steering wheel, or the terminal on
the centre console. On the top infotainment system, MMI navigation plus with MMI touch and 8.3-inch monitor, the rotary
pushbutton features an integrated touch pad for zooming and scrolling, and for entering characters.
The MMI navigation plus is based on the processing power of the second generation modular infotainment system (MIB).
This enables Audi to consistently bring the very latest solutions from consumer electronics into the car.
Alongside the MMI navigation plus, the new S4 and S4 Avant feature the Audi connect hardware module. It provides a
high-speed connection to the Internet using the LTE standard. The integrated Wi-Fi hotspot enables passengers to surf and
send mail on mobile devices, while the driver can use the on-line services from the Audi connect portfolio. These include
the Audi smartphone interface, which integrates iOS and Android mobile phones.
The Audi phone box links passengers’ smartphones to the on-board aerial. If the phones have the appropriate features,
they can be inductively charged at the same time. The Audi tablet is used for flexible rear seat entertainment. Hi‑fi fans
can order the Bang & Olufsen Sound System with state-of-the art 3D sound.
Driver assistance systems
Both S4 models provide a wide range of driver assistance systems. The predictive efficiency assistant supports the
driver in saving fuel, for example with gear change prompts. The Audi active lane assist helps the driver stay in lane. The
adaptive cruise control Stop&Go including traffic jam assist can take over acceleration, deceleration, and steering
up to 65 km/h, easing the strain on the driver in heavy flowing traffic. Park assist, cross traffic assist rear, exit
warning, collision avoidance assist, turn assist, and the Audi pre sense systems provide important safety features. A
camera-based traffic sign recognition system rounds off the range.
Equipment
In addition to the features already mentioned, for both body versions it includes LED headlights and LED rear lights
with dynamic turn signal. The Avant features an electrically controlled tailgate and luggage compartment cover, as well
as anodised aluminium roof rails.
The optional equipment available underlines the high-tech nature of the new S models - for example, Matrix LED
headlights, head-up display and sensor control for the tailgate on the Audi S4 Avant.
Availability
Having now been revealed at the 2015 Frankfurt Motor Show, the Audi S4 is scheduled to be released in Europe from
mid-2016 and in Australia at the end of 2016.
NOTE:
Specifications are subject to change without notice.
E&OE.
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