Audi
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Communications Model Lines, Innovation and Technology
Ekkehard Kleindienst
Phone: +49 841 89-44369
E-mail: ekkehard.kleindienst@audi.de
www.audi-mediacenter.com
Agility for the long haul: Audi S6 and S7 now as
TDI models with electric powered compressor
Performance, presence and comfort – S6 Sedan, S6 Avant and S7 Sportback
Impressive 700 newton-meters (516.3 lb-ft) of torque thanks to combination of
electric powered compressor, 48-volt primary electrical system and V6 TDI engine
S model design: sporty look and sophisticated pedigree
Ingolstadt, April 11, 2019 – Sportiness meets efficiency – the new Audi S6 and S7 models
make their entrance with a torquey V6 TDI engine, offering customers in Europe the ideal
performance models for the long haul. For the first time, Audi has combined an electric
powered compressor with a 48-volt primary electrical system. The S sport suspension with
damping control, dynamic all-wheel steering and the ceramic brake system tick all the boxes
for dynamic cornering and deceleration. The striking design with the sophisticated looks of an
S model lends these sporty full-size models particular presence.
Audi S6 Sedan: Combined fuel consumption in l/100 km: 6.3 – 6.2(37.3 – 37.9 US mpg)*;
Combined CO2 emissions in g/km: 165 – 164 (265.5 – 263.9 g/mi)*
Audi S6 Avant: Combined fuel consumption in l/100 km: 6.5(36.2 US mpg);
Combined CO2 emissions in g/km: 171 (275.2 g/mi)
Audi S7 Sportback: Combined fuel consumption in l/100 km: 6.5(36.2 US mpg);
Combined CO2 emissions in g/km: 170 (273.6 g/mi)
“Torque kick”: electric powered compressor and 700 Nm of torque
The huge torque peaking at 700 newton-meters (516.3 lb-ft) constantly available on demand
to the driver across an engine speed range of 2,500 to 3,100 rpm is the ideal basis for
performance-minded customers in Europe. The S TDI models offer high driving dynamics and
efficiency – an especially attractive combination for long-distance driving. With the S6 and
S7 TDI models Audi systematically takes the successful drive concept of the SQ7 TDI (combined
fuel consumption 7.6 – 7.2 l/100 km (30.9 - 32.7 US mpg)*; combined CO2 emissions 199 –
189 g/km (320.3 - 304.2 g/mi)* to the next level. For the first time, Audi’s engineers have
paired an electric powered compressor with a 48-volt primary electrical system.
The equipment, data and prices stated here refer to the model range offered for sale in Germany
Germany. Subject to change without notice; errors and omissions excepted.
* Fuel consumption and CO2 emission figures given in ranges depend on the tires/wheels used as well
as the selected equipment
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This takes the three-liter V6 TDI’s total power output to 257 kW (349 hp). Power transmission is
handled by the eight-speed tiptronic automatic transmission, which always operates in tandem
with quattro permanent all-wheel drive.
Spontaneous helper: the electric powered compressor
The electric powered compressor delivers high starting performance. As well as very vigorous
acceleration, the electric supercharger provides a repeatable boost function when accelerating.
This means the EPC pre-empts any hint of turbo lag, and enables high responsiveness and
powerful acceleration in every driving situation.
The EPC’s response time is under 250 milliseconds, its peak output is seven kilowatts and its
maximum speed is 70,000 rpm. The electric turbocharger’s boost function extends all the
way to an engine speed of 1,650 rpm. Thanks to dual supercharging, in other words the EPC
working in tandem with the exhaust turbocharger, the full-size S models achieve a constant
torque of 700 newton-meters (516.3 lb-ft) across an engine speed range of 2,500 to
3,100 rpm. The EPC supports the TDI’s turbocharger whenever there is insufficient energy
in the exhaust gas for a spontaneous torque buildup – when starting off or accelerating at
low load, from a low engine speed.
The EPC, which visually resembles a conventional turbocharger, is mounted directly on
the engine in the intake air path behind the intercooler. In most operating statuses it is
circumvented by a bypass. However if the load demanded by the accelerator is high and the
energy available on the turbine side is low, the bypass valve closes, guiding the intake air to
the EPC. The compressed air flows directly into the combustion chamber.
The result: spontaneous response and impressive pulling power when accelerating, overtaking
and for changes of load. That places the entire power of the 3.0 TDI engine immediately at the
driver’s disposal whenever they require it. In everyday driving, the technology avoids frequent
downshifts, keeps the engine speed level low and suppresses the turbo lag to which a
conventional exhaust turbocharger is susceptible.
The EPC paves the way for an impressive starting performance. The V6-TDI complete with EPC
propels the new S6 Sedan from 0 to 100 km/h (62.1 mph) in 5.0 seconds, with the S6 Avant
and S7 Sportback taking a tenth of a second longer over the standard sprint. The top speed is
electronically limited to 250 km/h (155.3 mph).
“Clean power” – coasting for up to 40 seconds: the 48-volt mild-hybrid system
While the EPC boosts the performance, the mild-hybrid system (MHEV) helps to improve
fuel efficiency. The 48-volt MHEV system comprises a belt alternator starter (BAS) and a
lithium-ion battery with a capacity of 10 Ah housed in the vehicle floor beneath the luggage
compartment. The BAS is connected to the crankshaft. During deceleration it can recover up
to 8 kW of power, which it then stores in the lithium-ion battery. When the driver accelerates
again, the BAS reacts instantly by restarting the engine.
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MHEV technology allows for start/stop operation from a speed as low as 22 km/h (13.7 mph).
Thanks in part to the integration of the mild-hybrid system and the vehicle sensors, the S
models realize a fuel saving of up to 0.4 liters in real driving conditions and can coast for up
to 40 seconds with the combustion engine deactivated.
On that basis, the S TDI models combine impressive driving dynamics with high efficiency, low
fuel consumption and low emissions. All S TDI models have homologation to the Euro 6d temp
emission standard. The WLTP values correlate to an NEDC fuel consumption for the Audi S6 sedan
of 6.3 or rather 6.2 liters of diesel per 100 kilometers (37.3 or 37.9 US mpg) and CO2 emissions of
165 or rather 164 grams per kilometer(265.5 – 263.9 g/mi), depending on the tires/wheels used.
The figures for the S6 Avant are 6.5 liters per 100 kilometers (36.2 US mpg) and 171 g/km
(275.2 g/mi), and 6.5 liters/100 km (36.2 US mpg) and 170 g/km (273.6 g/mi) for the
S7 Sportback.
Concentrated high tech: the engine
The 3.0 TDI is notable for its power delivery and high efficiency. Its displacement of 2,967 cm3
develops 257 kW (349 hp) of power. Its specific output is 117.9 hp per liter of engine capacity,
and its specific torque is 235.9 Nm (174.0 lb-ft) per liter.
The V6 TDI weighs only around 190 kilograms (418.9 lb) and has concentrated high tech to
offer in every department. Its common rail system injects fuel at a pressure of up to 2,500 bar.
Crankshaft, pistons, connecting rods and oil management meet high-performance
requirements, and sophisticated measures have been taken to reduce friction in the crankshaft
and camshaft drive. The cooling circuits of the crankcase and cylinder heads are kept separate
so that the engine oil warms up rapidly from a cold start – the heads have dual-section water
jackets. The coolant flow is directed to the oil cooler, the EPC, the BAS and the compressor case
of the turbocharger as needed.
The exhaust turbocharger, with a turbine wheel measuring 50 millimeters (2.0 in) in diameter,
generates a relative boost pressure of up to 2.4 bar. Its variable turbine geometry (VTG) is
optimized for low-loss flow. The external low-pressure exhaust gas recirculation (EGR) only
draws off the exhaust gas after the particulate filter so that the full mass flow can power the
supercharger, significantly increasing its effectiveness. Operation of 3.0 TDI is ultra-refined.
Dynamic cornering and high agility: Dynamic all-wheel steering makes its entrance in a S model
As on every S model from Audi, quattro permanent all-wheel drive comes as standard. In normal
driving conditions, its self-locking center differential distributes torque between the front and
rear axle in a 40:60 ratio. If one wheel encounters slip, most of the drive torque goes to the axle
with the better traction. In the extreme, 70 percent can flow to the front wheels and 85 percent
to the rear wheels. For sports driving, wheel-selective torque control enhances sporty handling:
It brakes the two wheels with reduced load on the inside of a bend slightly before they lose grip.
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The standard-fit progressive steering already comes with sports ratios in its basic configuration;
the greater the steering lock, the more direct the steering is. Its S-specific electro-mechanical
servo assistance filters out disagreeable bumps but communicates useful information to the
driver.
Compared with their predecessor models, the new large S models offer even better transverse
dynamics. On request, Audi can supply dynamic all-wheel steering – this combines dynamic
steering with a variable ratio of 9.5:1 and 16.5:1 at the front axle with separate rear-axle
steering that is operated by spindle drive and track rods. At speeds up to 60 km/h (37.3 mph),
the rear wheels turn as much as five degrees in the opposite direction to the front wheels.
This reduces the turning circle by up to 1.1 meter (3.3 ft). At medium and high speeds above
60 km/h (37.3 mph), they are turned by as much as two degrees in the same direction as the
front wheels. This makes the S models much more maneuverable and agile at low speeds, and
provides more directional stability at high speeds and when changing lanes.
The S sport suspension developed specially for the new S models comes with damping control
as standard, highlighting these vehicles’ sporty character. It lowers the body of the S6 by
20 millimeters (0.8 in), and by 10 millimeters (0.4 in) in the case of the S7. This gives both
S models the same low ride height. Adaptive air suspension – the air suspension version with
adjustable damping – makes its first appearance on S models as an explicitly comfort-oriented
alternative. It can be set to three modes and includes a “lift” position for poor roads and
automatic leveling. In the “auto” mode the body is lowered by a further 10 millimeters (0.4 in)
at speeds of 120 km/h (74.6 mph) upwards, and in the “dynamic” mode the vehicle remains
always at this low ride height.
For even sportier road behavior, quattro drive can be supplemented with the sport differential
on the rear axle. On bends taken dynamically, the sport differential veritably pushes the car into
the bend, producing a high level of agility. The driver can adapt the sport differential’s control
strategy via Audi drive select. The sporty road behavior is also aided by the five-link-design axles,
which are made largely from aluminum. Two subframes connect the links with the vehicle body –
the elastokinematics are firmly tuned.
All chassis components are controlled by the electronic chassis platform (ECP). It coordinates
the shock absorbers’ action at intervals of milliseconds. The ECP collects comprehensive
information about the movement of the car and the data from the chassis control systems
involved. From these, it calculates and precisely coordinates the optimal function of these
components in an integrated handling controller. Drivers of the new S models experience this
progress in the form of precise handling and high transverse dynamics. As well as the dampers,
the EPC controls the dynamic all-wheel steering and sport differential. The driver can configure
the effect of these modules in the Audi drive select dynamic handling system. It comes with an
S-specific setup and offers the diverse modes “comfort”, “auto”, “dynamic”, “efficiency” and
“individual.”
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Strong support: the optional ceramic brake system
The six-piston brakes on the new S models are big on performance. Their calipers are made from
aluminum, painted black (or optionally red) and adorned with S logos. At the front, six pistons
on each wheel grip steel brake discs measuring 400 millimeters (15.7 in) in diameter; the rear
discs measure 350 millimeters (13.8 in) across. As an option, Audi can fit a six-piston ceramic
brake system made from light, abrasion-resistant carbon fiber ceramic with 400 millimeter
(15.7 in) discs at the front and 370 mm (14.6 in) discs at the rear. The complete ceramic brake
system weighs nine kilograms (19.8 lb) less than its steel counterpart, so it significantly reduces
unsprung masses with the effect of further enhancing driving dynamics, especially when
cornering. Electronic Stabilization Control ESC provides even more precise control than in the
previous model. The driver can switch it to a Sport mode or shut it down completely.
The new Audi S6 Sedan, S6 Avant and S7 Sportback are fitted with 20-inch wheels with
255/40 tires as standard; 21-inch versions are optionally available. Torus absorbers – foam
layers bonded into the tires – eliminate annoying droning frequencies so that these tires provide
high acoustic comfort despite their size. In conjunction with the wheel range available from
Audi Sport GmbH, 20-inch Performance tires can be ordered for even better grip and handling
characteristics.
Presence: the design of the S models
The S models are characterized by their striking, distinctive design and sophistication – outside
and inside alike. The new Audi design language further emphasizes their even more sporty look.
A dynamically styled front trim, wide sills and a wide rear diffuser with four tailpipe trims infuse
the S models with on-road presence. Distinctive S trim elements in dark chrome and aluminum
on the radiator grille lamellas, the front blade, the side air inlet, the exterior mirrors and the
rear diffuser proclaim their sporty characteristics at a glance.
On the S6, the horizontal splitter in aluminum look creates an enormous feeling of width at the
front. It links the two air inlets and ends with the two winglets at the air ducts. At the rear, the
S6 features an integrated spoiler that visually extends the trunk lid, subtly emphasizing its
sportiness. Aluminum applications in the diffuser link the four S-specific tailpipe trims. These
also underline the width of the vehicle.
On the S7, the wide, low Singleframe grille features lamellas in aluminum standard and a corpus
in dark chrome matt. The air inlets are enlarged, with very bold contours, and their honeycomb-
structure inserts come in titanium black. The blade running through them is in a gleaming
aluminum look, as are the exterior mirror housings in aluminum. Other features that distinguish
the four-door coupé from the S6 models are the funnels in the air inlets and the angular trim
strips on the side sills.
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Side-on, the sporty appearance of all three cars is enhanced by the large wheels, which are
typical features of the S models. A diffuser insert in dark chrome matt adds the finishing touch
to the lower rear end. The four tailpipe trims are in gleaming chrome.
“Designer loft”: interior design with sporty-sophisticated aesthetics
Inside, the typical S model look awaits the driver: black color schemes, sophisticatedly sporty
inlays, color-contrasting stitching as well as model-specific equipment details that ramp up the
sporty driving experience even further.
The seats range, too, underlines the sporty overall impression. As well as the sport seats with
embossed S logo, customers who want an overtly sporty style can choose highly contoured S sport
seats with integrated head restraints, embossed S logo and rhombus pattern. For out-and-out
comfort, Audi offers multi-adjustable customized contour seats optionally with ventilation and
massage. The seat upholstery, always with contrasting stitching, is available in a combination of
leather and Alcantara or in the Valcona top-end leather grade. Customers have a choice of the
colors black, rotor gray and arras red. A variety of leather packages are available for customizing
the interior further. Instead of the standard inlays in brushed aluminum, fine grain ash is available
as an option. Other S-specific equipment details include a dedicated graphic layout of the
standard-fit Audi virtual cockpit with rev counter flashed up centrally. Another option is a steering
wheel with flat-bottomed rim. The footrest and pedal caps are in stainless steel, and when the
driver climbs in they are greeted by illuminated aluminum sill trims with S logo.
Perfectly equipped for long distances: the comfort equipment
With the S6 Sedan, S6 Avant and S7 Sportback, Audi offers a sporty full-size model for every
purpose: the classic Sedan, the practical Avant or the four-door Coupé. All models come with
comprehensive comfort, connectivity and driver assistance equipment. As such, they expertly
blend sportiness with long-distance capability.
Compared to the product line’s A models, the S models come with an extended range of
standard equipment: This includes 20-inch rims in an S-specific wheel design, or MMI navigation
plus including Audi virtual cockpit with 12.3-inch display. As a standard feature there are also
Alcantara sport seats in the S6 and super sport seats in the S7. Four-zone automatic air
conditioning completes the standard specification.
The new Audi S models are excellent cars for long-distance driving – among other reasons
thanks to their rigid body structure which largely suppresses noise interference, their advanced
aerodynamics and aeroacoustics, as well as their spacious interiors and luggage compartments.
Depending on body version, the latter have a capacity of 530 liters (18.7 cu ft) (S6), up to
1,390 liters (49.1 cu ft) (S7 Sportback) and up to 1,680 liters (59.3 cu ft) (S6 Avant).
The new large S models will be making their debut in European markets in summer 2019. The
starting prices in Germany are: EUR 76,500 for the S6 Sedan, EUR 79,000 for the S6 Avant and
EUR 82,750 for the S7 Sportback.
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For the United States, Asia and Middle East: the S6 and S7 models with 2.9 TFSI
In overseas markets – to reflect local customer preferences and driving profiles – the S6 and S7
will be available as the 2.9 TFSI with an output of 450 hp and 600 Nm (442.5 lb-ft) of torque.
Like the TDI models, the V6 gasoline version will be equipped with both the EPC and the
48-volt MHEV system, for more performance and efficiency.
– End –
The indicated consumption and emissions values were determined according to the legally proscribed
measuring methods. Since September 1, 2017, the type approval for certain new vehicles has already been
performed in accordance with the Worldwide Harmonized Light Vehicles Test Procedure (WLTP), a more
realistic test procedure for measuring fuel consumption and CO2 emissions. Beginning September 1, 2018,
the WLTP will gradually replace the New European Driving Cycle (NEDC). Due to the realistic test conditions,
the fuel consumption and CO2 emission values measured are in many cases higher than the values measured
according to the NEDC. Additional information about the differences between WLTP and NEDC is available
at www.audi.de/wltp.
At the moment, it is still mandatory to communicate the NEDC values. In the case of new vehicles for which
the type approval was performed using WLTP, the NEDC values are derived from the WLTP values. WLTP
values can be provided voluntarily until their use becomes mandatory. If NEDC values are indicated as a
range, they do not refer to one, specific vehicle and are not an integral element of the offer. They are provided
only for the purpose of comparison between the various vehicle types. Additional equipment and accessories
(attachment parts, tire size, etc.) can change relevant vehicle parameters, such as weight, rolling resistance
and aerodynamics and, like weather and traffic conditions as well as individual driving style, influence a
vehicle’s electrical consumption, CO2 emissions and performance figures.
Further information on official fuel consumption figures and the official specific CO2 emissions of new
passenger cars can be found in the “Guide on the fuel economy, CO2 emissions and power consumption of all
new passenger car models,” which is available free of charge at all sales dealerships and from DAT Deutsche
Automobil Treuhand GmbH, Hellmuth-Hirth-Str. 1, 73760 Ostfildern-Scharnhausen, Germany
(www.dat.de).
The Audi Group, with its brands Audi, Ducati and Lamborghini, is one of the most successful manufacturers
of automobiles and motorcycles in the premium segment. It is present in more than 100 markets worldwide
and produces at 18 locations in 13 countries. 100 percent subsidiaries of AUDI AG include Audi Sport GmbH
(Neckarsulm), Automobili Lamborghini S.p.A. (Sant’Agata Bolognese, Italy) and Ducati Motor Holding S.p.A.
(Bologna, Italy).
In 2018, the Audi Group delivered to customers about 1.812 million automobiles of the Audi brand, 5,750
sports cars of the Lamborghini brand and 53,004 motorcycles of the Ducati brand. In the 2018 fiscal year,
AUDI AG achieved total revenue of €59.2 billion and an operating profit before special items of €4.7 billion.
At present, approximately 90,000 people work for the company all over the world, more than 60,000 of
them in Germany. Audi focuses on sustainable products and technologies for the future of mobility.
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