Sunday, October 11, 2009

Audi S4

audi_s4_f1_10.jpg (56 KB)
audi_s4_rs2_10.jpg (27 KB)


- The new S4 is a sports car offering an impressive driving experience, leading technologies, and every-day suitability.
- Audi Drive Select (adjustable engine/throttle mapping, suspension damping, and dynamic steering) is a benchmark in the segment and industry.
- All-new version of the 3.0 TFSI supercharged V6 provides excellent acceleration and efficiency in all driving situations.
- New 7-speed S tronic dual clutch transmission for faster precise gear changes.
- New optional quattroSport rear differential enhances agility.
- S4 will be offered exclusively as a sedan in the USA.
- USA market launch is Fall 2009, as a 2010 model year vehicle.
- Key competitors are BMW M3 sedan and Mercedes-Benz AMG C63.

Design.
S4-specific interior and exterior distinctive features include:
- New rear LED lighting
- Front/rear bumpers, including unique front grille
- Trunk lid with integrated spoiler
- Aluminum optic mirrors
- Special 18” wheels standard with high performance tires
- S4 brake calipers with logo
- Sport seats with unique interior color offerings
- Black interior headliner
- S4-badged steering wheel, aluminum door sill inlays, key fob, and gauge cluster
- Brushed aluminum interior trim with available carbon fiber, wood, and stainless steel options
- Typical Audi interior design is modern and sophisticated, with clear attention to detail.
- S4 Aluminum-optic exterior accents include front and rear diffuser blades, mirror housings, and four exhaust pipes.

Dynamics.
Modular Longitudinal Chassis architecture is the foundation for a benchmark sport sedan.
- Extensive use of new ultra-high-strength steels increase rigidity of the body while also reducing weight.
- Repositioned clutch / torque-converter allows more forward position of front axle.
- Better agility and turn in
- Better axle load distribution
- Shorter front overhang
- Longer wheelbase = more comfortable ride
- Repositioned steering rack, lower and closer to the wheel carriers lower center of gravity and provides more direct steering control/feedback.
- Sporty proportions and muscular stance enhanced due to longer, wider, and lower dimensions.
- Reduced front overhang adds to visual sportiness.

Powertrain and Performance.
- Standard power train will be the new 3.0 TFSI supercharged V6 mated to quattro® all-wheel drive
- Transmission choices include a 6-speed manual gearbox and a new 7-speed S tronic dual clutch transmission.
- 3.0 TFSI V6 specifications:
- FSI direct injection with intercooled supercharger
- 333hp – 325 lb-ft
- 0-60 mph 5.1 sec (est.)
- Top speed 155 mph
- Latest generation of quattro® all-wheel drive is employed, with asymmetric rear-biased torque split (40% front / 60% rear under nominal conditions).
- New available quattroSport rear differential dynamically varies torque between the rear wheels.
- Fuel economy is significantly improved over previous generation S4.
- Braking system is upgraded specifically for the S4.