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 S7 Sportback TDI
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| Audi S7 Sportback TDI |
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<< Prev Page 2 of 2  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.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." 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. 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. 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. 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. 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). << Prev Page 2 of 2 |
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