Last week Audi revealed the first official details for the Audi RS5 prior to its launch this Thursday at the 80th Geneva Motor Show. As usual Audi GmbH equipped the RS5 with all the latest technological advancements from Audi including the new Quattro four-wheel-drive, the latest generation version of the Dynamic Ride Control (DRC) system and an even more precise Audi Drive Select.
Today we will explain in detail all the innovations that will make the Audi RS5 one of the most desirable coupes in the premium sector.
Audi Quattro with crown-gear differential
In 1980 Audi captivated the Geneva Motor Show attendants with the introduction of the Quattro four-wheel-driving technology and now thirty years later Audi will launch the new Quattro technology with a innovative centre differential known as crown-gear differential.
The self-locking crown-gear centre differential is compact and lightweight, and attains a high efficiency ratio. Thanks to its package of plates, it can widely vary the distribution of torque between the front and rear axles. If necessary, up to 70 per cent can flow to the front or as much as 85 percent towards the rear. The 40:60 ratio of the standard rear-biased configuration ensures highly responsive handling.
This new differential operates in conjunction with electronic torque vectoring, which influences all four wheels. If one of the inside wheels in a turn becomes imbalanced while the vehicle is at its operational limits, then the system slightly decelerates the wheel to prevent wheel spin. This results in exceptional traction on the one hand while generating a yaw moment which aids cornering.
The rear axle also features an already much praised new Audi driver aid – the sport differential – which actively distributes torque between the rear wheels in order to further boost stability and grip at the vehicle’s limits of handling.
New Dynamic Ride Control (DRC) & ESP’ Sport Mode
The latest generation version of the Dynamic Ride Control (DRC) system as used by the RS 6 also contributes to the exceptional handling capabilities exhibited by the RS 5. DRC connects shock absorbers on each side of the car diagonally to their counterparts by way of a central valve, which directs a flow of oil to provide additional damping force whenever a shock absorber is compressed, making for impressive gains in handling precision and stability. Via the Audi drive select system, the driver will be able to choose from three damper settings – comfort, dynamic and sport – according to preference and conditions.
With its RS-specific spring, damper and anti-roll bar settings, the RS 5 chassis sits 20 millimetres lower than that of the Audi A5 on 19-inch alloy wheels fitted with 265/35 tyres. These are executed in an exclusive 5-arm structure design. 20-inch wheels with 275/30 tyres are available at extra cost.
The brake system employs powerful internally ventilated discs, which measure 365 millimetres in diameter at the front axle. In order to maximize the dissipation of heat, the steel friction rings are perforated and connected by pins to the aluminium brake discs. The high-gloss black brake calipers bearing RS logos are made of aluminium, and the front units are fitted with eight pistons each. Ceramic carbon-fibre brake discs measuring 380 millimetres in diameter can also be specified as an optional extra. They are extremely lightweight, strong, and durable. The electronic stabilization program (ESP) incorporates a sport mode and can be switched off entirely.
Even more acutely controllable: Audi drive select
The Audi drive select vehicle dynamics control system is a standard feature of the new RS 5. It allows the driver to switch between three modes of operation – comfort, auto, and dynamic – to adjust the steering weighting, the shift points for the seven-speed S tronic, the sport differential, Dynamic Ride Control, the engine and the exhaust system. And if the car is equipped with the optional MMI navigation system, a fourth mode allows the driver to customize their own profile.
For maximum enjoyment of the engine, Audi drive select controls the exhaust system’s two throttle valves and the sound flaps; when they open, the rich sound becomes even more resonant. An optional Sport exhaust system offering an even more addictively bass-heavy V8 soundtrack is available at extra cost.
For even greater control over the steering, a dynamic steering option is also available at extra cost as a component of Audi drive select. The system adjusts the steering ratio to a vehicle’s speed – directly for manoeuvring at low speeds and indirectly for travelling at motorway speeds. At the vehicle’s cornering limits, it automatically ensures smooth handling via minor corrective actions.
The remarkable abilities which all these technologies convey on the RS 5 are highlighted subtly by its body, without tainting the purity of its classically beautiful coupe lines. The single-frame grille bears a shiny charcoal-grey rhombus-pattern grid and is flanked by xenon plus headlights with LED strip daytime running lights, below which are oversized air inlets. The newly designed bumper tapers downward into a splitter.
The flared wings with their crisp horizontal upper edges are reminiscent of the pioneering Audi quattro, and the side sills bear angular caps. The trim strips on the single-frame grille and near the side windows as well as the door mirror covers feature the distinctive matt aluminium RS look.
The tail end is dominated by two oval exhaust pipes integrated within the bumper. A large diffuser protrudes prominently upwards. The spoiler in the tailgate automatically extends at a speed of 75mph and retracts at 50mph.
The extensively clad underbody of the Audi RS 5 integrates air vents for the seven-speed S tronic and the front brakes. At motorway speeds, the aerodynamic characteristics of the RS 5 generate downforce to further enhance stability.