Audi , A6 , C6 , 4.2 V8 Quattro (2004-) Little Known Facts

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The Audi A6 C6 4.2 V8 Quattro was powered by a 4.2-liter naturally aspirated V8 engine producing 250 kW (333 hp) and 420 Nm of torque.
The engine featured a cast aluminum alloy block, aluminum cylinder heads, and four valves per cylinder with hydraulic lifters.
The C6 A6's 4.2 V8 was based on the Lamborghini Gallardo's V8 design, but with modifications to meet Audi's requirements.
The Quattro all-wheel-drive system featured a Haldex coupling that could transfer up to 70% of engine torque to the rear wheels.
The C6 A6 had a MacPherson strut front suspension and a five-link rear suspension with adaptive damping.
The car featured Audi's Tiptronic automatic transmission, which was available in combination with a six-speed manual gearshift for the first time in 2004.
In 2002, Audi reworked the A6 C6 platform to improve weight distribution, reducing the front-to-rear weight ratio from 58:42 to 55:45.
The 4.2 V8 Quattro had a top speed electronically limited to 250 km/h (155 mph).
The car's interior featured premium materials like leather, wood trim, and aluminum inlays.
Audi offered a range of safety features, including an adaptive cruise control system with automatic emergency braking.
In the 2004 model year, the C6 A6 received a new front bumper design and revised headlamp units to improve aerodynamics.
The car's exterior dimensions were 493 cm (194 in) in length, 185 cm (73 in) in width, and 144 cm (57 in) in height.
The curb weight of the C6 A6 4.2 V8 Quattro was approximately 1,830 kg (4,027 lb).
In 2005, Audi added a sport differential to the A6's all-wheel-drive system to improve traction and stability during cornering.
The C6 A6 had an optional navigation system with a 7-inch LCD screen and a hard drive-based storage system for music and data.
The car featured a range of convenience features, including keyless access, a remote engine start function, and a hands-free mobile phone interface.
Audi's Virtual Cockpit display was first introduced in the C6 A6, providing drivers with critical information and settings at a glance.
In 2005, Audi expanded the A6's available engine options to include a 3.0-liter V6 diesel and a 3.2-liter V6 petrol.
The C6 A6 had an optional Bang & Olufsen premium sound system with 12 high-performance speakers.
Audi's adaptive air suspension was offered as an option on the C6 A6, providing improved ride comfort and stability at high speeds.
The car featured a range of parking aids, including a rearview camera and a park assist system that could automatically steer the vehicle into parking spaces.
In 2005, Audi added a driver attention feature to the C6 A6, which monitored driver engagement and provided warnings if it detected signs of distraction or drowsiness.
The car's exterior design was influenced by the Audi B8 A4's single-frame grille and LED daytime running lights were introduced in 2005.
Audi offered a range of trim levels for the C6 A6, including the sport-oriented S-Line package with a revised front bumper and side sills.
The car featured an advanced engine management system that allowed drivers to adjust settings like throttle response and shift times using the Audi drive select menu.
In 2005, Audi introduced a new interior design language for the C6 A6, featuring more premium materials and improved ergonomics.
The C6 A6 had an optional driver information display with customizable settings and warning messages.
Audi's Quattro all-wheel-drive system was designed to work in conjunction with the car's electronic stability program (ESP) to improve traction and stability during cornering.
In 2005, Audi expanded the A6's available wheel designs, including new five-spoke alloy wheels with a silver or black finish.
The C6 A6 had an optional automatic parking system that could automatically steer the vehicle into tight spaces using sensors and cameras.