Audi, A6, C5, S6 Quattro (1999-)

The Audi A6 C5 S6 Quattro was a high-performance variant of the fifth-generation Audi A6, produced from 1999 to 2004. It was based on the same platform as the standard A6, but featured significant upgrades in terms of performance, design, and equipment.

Engine:

• The S6 Quattro was powered by a 4.2-liter V8 engine, producing 340 horsepower (254 kW) at 6,300 rpm.
• The engine featured dual overhead camshafts, four valves per cylinder, and a catalytic converter to meet strict emissions regulations.
• A six-speed manual transmission or a five-speed automatic Tiptronic transmission were available options.

Performance:

• The S6 Quattro could accelerate from 0-60 mph (0-97 km/h) in just 5.3 seconds with the manual transmission, and 5.7 seconds with the automatic.
• Its top speed was electronically limited to 155 mph (250 km/h), but it could reach speeds of over 170 mph (274 km/h) if desired.

Transmission:

• The six-speed manual transmission featured a close-ratio gearset, allowing for smooth and precise shifting.
• The five-speed automatic Tiptronic transmission offered sport-tuned performance with the option to manually override gears via paddle shifters on the steering wheel.

Suspension and Chassis:

• The S6 Quattro rode on a fully independent suspension system, featuring MacPherson struts in front and multi-link coil springs at the rear.
• A specially tuned stabilizer bar helped to improve handling and reduce body roll.

Brakes:

• The S6 Quattro was equipped with high-performance brakes, consisting of 13.8-inch (351 mm) vented rotors up front and 12.2-inch (311 mm) solid rotors at the rear.
• These large brake discs were ventilated to improve cooling and enhance braking performance.

Interior and Features:

• The S6 Quattro featured a spacious and luxurious interior, with sport-oriented design elements and premium materials throughout.
• Standard equipment included leather upholstery, heated seats, a high-end sound system, and an optional navigation system.
• Optional features included a moonroof, parking sensors, and a rear seat entertainment system.

Design:

• The S6 Quattro's exterior design was characterized by its bold styling cues, including a prominent front grille, angular side sills, and a distinctive spoiler at the rear.
• A unique set of 18-inch alloy wheels with five-spoke designs further distinguished the S6 Quattro from other Audi models.

Dimensions:

• Length: 190.1 inches (4820 mm)
• Width: 71.7 inches (1822 mm)
• Height: 57.9 inches (1474 mm)
• Wheelbase: 108.7 inches (2760 mm)

Weight and Power-to-Weight Ratio:

• Curb weight: approximately 3940 pounds (1785 kg)
• Power-to-weight ratio: around 8.6 pounds per horsepower (3.9 kg/kW)