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Permanent all-wheel drive systems are not created equal. And they certainly don’t perform that way, either. quattro® is essentially a mechanical system devised around a torque-sensing, self-locking, center differential that shifts torque instantaneously to where it’s needed. This means quattro® is adjusting power between front and rear axles more than 100 times a second, helping ensure torque is delivered to the wheels where traction exists. Under normal driving situations, quattro® distributes the power between each axle by sending 40 percent to the front wheels and 60 percent to the rear wheels, enhancing the driving dynamics while helping maintain optimum control. Constantly assessing grip, quattro® ensures the best possible combination of traction and handling, regardless of the road conditions.
quattro® with Sport Rear Differential additionally senses which rear wheel to deliver an optimum level of torque. Specifically, it directs most of the power to the outer rear wheel to help steer the car through the corner. This reduces understeer, common among other all-wheel drive systems, and creates the true sportscar handling found in an Audi.
The S5 Cabriolet suspension has been specially designed with a lower stance, a higher spring rate and thicker sway bars to prevent body roll. With the finely tuned front-suspension components secured to the subframe, the five-link front suspension increases ride quality by isolating road harshness and vibration from the cabin. The use of weightsaving aluminum for critical components helps reduce unsprung mass at each wheel, allowing the suspension to respond more rapidly. The net effect is a driving experience that is extremely responsive, smooth and predictable. It is handling that has become an Audi hallmark.
With 27 available vehicle handling and performance combinations, the available Audi drive select feature is another example of Audi progressive technology. Whether you prefer the smooth, luxurious ride of Comfort mode or the more direct and firmer responses of Dynamic mode, Audi drive select allows you to tailor the vehicle to your liking.
Beginning with three preset vehicle configurations, Audi drive select manages the adaptive suspension, dynamic steering, transmission shift characteristics and throttle response according to the selected mode: Comfort, Automatic or Dynamic. Adding to the versatility of Audi drive select, the Individual mode manages 27 personalized variations, essentially allowing the driver to configure the vehicle driving dynamics according to his or her precise preferences.
The S5 Cabriolet also comes equipped with quattro rear sport differential as a part of the Audi Drive Select feature, further enhancing handling and the driver's control.