Audi. Saturday , November 04th , 2017 - 12:29:56 PM
The axle concept of the new RS5 Coupe enables optimal absorption of longitudinal and transverse forces. A revised five-link construction is used on the front axle. At the rear, a five-link suspension replaces the trapezoidal-link suspension used on the previous model. This benefits the sporty driving characteristics and agility. It also improves comfort significantly. With the standard RS sport suspension, the new RS5 Coupe sits 7 millimeters (0.3 in) lower than the base model. Audi Sport offers the RS sport suspension plus with Dynamic Ride Control (DRC) as an alternative. It uses steel springs and three-stage adjustable dampers that are connected to one another via diagonal oil lines and a central valve. When cornering at speed, the valves regulate the oil flow in the shock absorber of the spring-deflected front wheel at the outside of the curve. They increase the support provided and reduce pitch and roll movements. They thus connect the vehicle more closely to the road and improve handling. A new damper generation with integrated control valve ensures much more noticeable spread between the individual modes of the Audi drive select system.
The crankcase is created from an aluminum-silicon alloy by means of sand casting and weighs just 34 kilograms (75.0 lb). The so-called "deep-skirt" design extends the walls of the crankcase far downwards, which also saves weight. The entire engine weighs just 182 kilograms (401.2 lb) which makes it 31 kilograms (68.3 lb) lighter than its V8 predecessor. Gross weight and axle load distribution are the predominant beneficiaries of this in the new RS5 Coupe. The flat-bottomed 3-spoke RS multifunction sport leather steering wheel features multifunction buttons for convenient operation of the infotainment system. Equally integrated are high-gloss black shift paddles with aluminum elements. The steering wheel rim bears the RS badge, as does the RS-specific shift gate. An additional optical highlight is the optional RS design package. It brings the sporty contrast color red into play on the center console as well as on the armrests, the seat belts and the floor mats with RS logo. The steering wheel, selector lever and knee pads are all covered with Alcantara. The Sonoma green design package from Audi exclusive enriches the interior with appropriately colored contrasting stitching - perfect for the new, exclusive exterior color.
In the induction tract, the intake valves close well before the piston reaches bottom dead center. This very short opening time keeps the fresh gas flow comparatively small. When the piston moves back up again after reaching bottom dead center, the compression phase starts later than usual. This allows a high geometric compression ratio of 10.0:1 - the combustion then takes place in a relatively small volume. In comparison to the short compression phase, the expansion phase is extended, which results in a high level of efficiency.
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