Audi RS5 confirmed once again for U.S.

Article by Christian Andrei, on August 25, 2010

Audi has chosen to release the RS5 coupe in the US after spending a significant amount of time being undecided about it. Inside Line had spoken with a product marketing contact from Quattro GmbH, the division at the Neckarsulm factory that builds the RS models. The source said that Audi has given its vote and that the car will "definitely" come to the US.

He clarified that this will happen more than a year from the start of deliveries in Western Europe. Many Quattro specialists believe that huge numbers aren't really expected for the RS5 coupe V8 with 444hp and 317 pound-feet of torque tied to an 8,250-rpm redline. He said that every RS5 coupe shipped over will be fully optioned.

This includes the rear-axle sport differential, Dynamic Ride Control software upgrades, and possibly the chromed thundering Boysen sport exhaust that are all optional in other markets. The RS5 coupe is Audi's first production car to have the third-generation Quattro all-wheel drive system.

Nearly 15 pounds lighter overall, the RS5 coupe uses a crown-wheel center differential for a wider distribution of torque to either the front (up to 70%) or rear axle (up to 85%). It also incorporates standard torque vectoring between the four wheels in the ESP software to prevent an understeer.

The chassis of the Audi RS 5 Coupé perfectly blends quick yet precise turn-in and high cornering speeds with excellent stability. Interestingly, the five-link front suspension and the self-tracking trapezoidal-link rear suspension feature aluminum components.

For superb and precise road feel, Audi granted the RS 5 Coupé with a new speed-dependent electromechanical power steering system that has a direct steering ratio. This system provides steering support by making slight corrections, like when A8 is braking on surfaces with different grip levels.

Since the power steering uses no energy during straight driving ahead, it helps improve fuel efficiency. Compared with Audi A5, the Audi RS 5 Coupé features a body that is lower by 20 mm (0.79 in).

Fitted as standard are new 19-inch forged aluminum wheels wrapped in 265/35-series tires. Customers could avail of the optional 20-inch wheels covered by 275/30-series. For superb braking, this high-performance coupé features a brake system with large internally ventilated wave brake discs.

In fact, its front discs measure 365 mm (14.37 in) in diameter. Additionally, the brake system features perforated steel friction rings with wave-like outer contour and linked to the aluminum brake caps via pins.

Thanks to this direct structure, tensions are reduced while generated heat is quickly dispersed, thus preventing the transmission of temperature peaks. Thanks to the redesigned shape of the friction rings, it is now three kilograms (6.61 lb) lighter, thus contributing to the balance of unsprung masses.

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