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Audi RS6 Sedan revealed ahead of Paris Motor Show debut
Written by Christian Wurfel
Tuesday, 12 August 2008
Earlier this year, Audi revealed pictures and statistics for its new V10-powered RS6 Avant, and since then we've seen spy images of the sedan variant as it underwent testing. Now the first official details and photographs of the sedan variant have been revealed two months ahead of the car’s debut at this year’s Paris Motor Show.
Just like the RS6 Avant wagon, the new Sedan is fitted with a 5.0-litre twin-turbo V10 engine that churns out 426kW and 650Nm of torque. The car also comes with permanent quattro four-wheel drive and a sports suspension set-up with dynamic ride control.
The RS6 sedan will be available for sale in Europe shortly after its Paris debut, while Australian sales will likely have to wait until sometime next year.
High-tech powerplant at the centre of the new RS6
Combining FSI direct fuel injection, dry-sump lubrication and two turbochargers tuned to deliver 1.6bar of boost pressure, the RS6's V10 engine delivers smooth, powerful thrust throughout the rev range. Peak torque, for example, is generated between 1,500rpm to 6,250rpm - nearly the entire rev range.
With a power-to-weight ratio of 4.6kg per kilowatt, the RS6 will accelerate from 0-100km/h in 4.5 seconds and tops out at an electronically controlled 250km/h, though that limit can be optionally raised to 280km/h.
Power is transferred to all four wheels via a new six-speed tiptronic automatic gearbox, which has been updated for quicker gear shifts and shorter ratios. The driver can also manually change gears either using the shift lever or paddles located on the steering wheel.
Unique styling mark the RS6 apart from the standard A6
The body of the 4.93m long RS6 also sports a number of distinctive features to distinguish it from the standard sedan. These include a single-frame grill, larger air intakes, adaptive lights with RS6-specific LED daytime running lights, flared fenders and deep side skirts, a rear diffuser, a spoiler integrated into the trunk lid and the two large oval exhaust pipes.
The interior is lined with carbon fibre, aluminium, leather and Alcantara, and is put together with the usual Audi precision and attention for detail. Valcona leather is available as an option. Customers can also choose between two steering wheels - the multifunctional sport steering wheel with three-spoke design, or the RS multifunctional sport steering wheel.
The RS version, which can optionally be covered in suede, features a motorsport style flat-bottomed design and RS6 emblems on the lower spoke. The RS6 also gets its own unique instrument cluster, featuring a boost pressure indicator for the turbocharger, an oil temperature gauge and a lap timer, all of which can be accessed via the driver information system.
High-performance power requires high-performance safety
Audi offers carbon-ceramic brakes for the RS6 with 19inch wheels as standard, however upgrading to the 20inch wheel package gets larger diameter carbon-ceramic brakes sized at 420mm at the front and 356mm at the rear. The combination of huge brakes and large, sticky tyres ensures the RS6 can bring its large, speedy mass to a safe and timely halt when necessary. The upgraded brake discs also weigh a significant 12.2kg less than their steel counterparts and resist fade under repeated full-power braking more readily.
A fully-mechanical Dynamic Ride Control (DRC) system links diagonally-opposed pairs of shock absorbers with hydraulic lines, which when cornering, allow the flow of fluid to the damper of the opposite wheel to increase, providing firmer support and reducing roll. When combined with the sports suspension system, DRC offers a choice of three selectable damper settings – sport, dynamic and comfort – which can be activated via the MMI interface system.
Other safety features include Audi’s lane assist, adaptive cruise control, and Audi side assist lane change warning system. Electronic stability also comes as standard, but can be set to a ‘Sport’ mode or even deactivated entirely. Audi claims the base setting for the stability control is designed with a ‘dynamic’ driving style in mind, and has an accordingly high threshold for activation.