• The 1997 Audi A6 C5 1.8 5V features a 1.8L inline-5 cylinder engine, which was a departure from the traditional V6 or V8 engines used in many luxury cars at that time. • The 1.8L engine produces 170 horsepower and 162 lb-ft of torque. • The C5 A6 was Audi's first attempt at creating a more aerodynamic and sleek design for its mid-size executive car, with a drag coefficient (Cd) of 0.29. • The interior featured a revised dashboard design, with a new instrument cluster and a central console that housed the radio and climate controls. • The 1997 A6 C5 was available in both sedan and wagon body styles. • The car's suspension system consisted of MacPherson struts up front and multi-link setups at the rear. • The 1.8L engine featured a unique design, with five cylinders arranged in an "H" pattern to reduce overall length and improve packaging. • The C5 A6 was one of the first Audi models to feature anti-lock braking (ABS) as standard equipment on all trim levels. • In the UK, the 1997 A6 C5 1.8 5V started at £22,495 when new. • The car's 0-60mph time was approximately 10 seconds. • The fuel tank capacity of the 1997 A6 C5 1.8 5V is around 70 liters (18.3 gallons). • This model year marked one of the first times Audi would offer a more comprehensive range of trim levels, including a base "Classic" model and higher-end "Luxury" and "Sport" trims. • The car's interior featured a unique "bowl-shaped" instrument cluster that housed the gauges. • The 1997 A6 C5 was one of the first Audi models to feature an optional driver information system (DIS), which displayed various vehicle data such as speed, distance traveled, and fuel consumption. • This model year saw the introduction of a new "S-line" package for the A6 C5, which added a range of sport-tuned upgrades including stiffer suspension, revised bumpers, and upgraded wheels. • The 1.8L engine featured a unique timing chain system that drove the camshaft. • The 1997 A6 C5 was built on a modified version of the B5 platform used for the earlier Audi A4 (B5). • In terms of safety, the 1997 A6 C5 featured dual front airbags as standard equipment across all trim levels. • The car's audio system was optional and consisted of a CD player with a total of eight speakers. • This model year marked one of the first times Audi would begin to market its A6 C5 as a serious competitor to the BMW 3 Series and Mercedes-Benz E-Class.