The 1997 Audi A6 C5 1.9 TDI was equipped with a turbocharged inline-4 cylinder diesel engine.
Engine displacement was 1896 cc.
Horsepower output reached 100 hp at 3750 rpm.
Torque output peaked at 210 Nm (154 lb-ft) at 1800 rpm.
The car featured a 5-speed manual transmission as standard and a 6-speed tiptronic automatic was available as an option.
Rear axle ratio options included 3.55, 3.73, or 4.11.
Top speed with the manual transmission was electronically limited to 185 km/h (115 mph).
Fuel tank capacity was 70 liters (18.5 US gallons) for the sedan and 65 liters (17.2 US gallons) for the Avant (estate) variant.
The car had a claimed fuel economy of up to 7.9 L/100km in city driving and 4.8 L/100km on the highway, based on European test cycles.
A Bosch Motronic engine management system was used to control the engine's performance and emissions.
The car featured Audi's 'Dynamic Suspension Control' (DSC) system, which provided active suspension adjustment for improved ride comfort and handling stability.
Audi's Vehicle Dynamics System (VDS), which combined electronic stabilization with adaptive cruise control features, was an optional feature on certain trim levels of the A6 C5 1.9 TDI.
In some markets, a ' Comfort Package' or 'Convenience Package' could be specified to include additional amenities such as heated seats and power windows.
The car had a gross vehicle weight (GVW) of around 1630 kg (3587 lbs).
Audi's Quattro four-wheel drive system was not available on the A6 C5 1.9 TDI, instead it used a front wheel drive configuration as standard with the option for traction control to help stabilize the car in low-grip conditions.
The car featured a MacPherson strut front suspension and a semi-trailing arm rear suspension design.
The car had an unladen ground clearance of 140 mm (5.5 inches).
Some market variants of the A6 C5 1.9 TDI were available with the option for additional safety features such as airbags, anti-lock braking, and traction control.
The engine used a common rail fuel injection system from Bosch that was capable of delivering high pressures to atomize diesel fuel more effectively and improve performance.
Audi's 'Audi Space Frame' bodyshell design provided improved strength, reduced weight, and enhanced crash protection compared to other conventional steel unibody construction methods.
The car had a boot space capacity of around 500 liters (17.6 cubic feet) in the sedan variant and up to 560 liters (19.7 cubic feet) in the Avant version.
Audi's ' MMI' infotainment system, which combined audio functions with navigation features, was available as an option on higher trim levels of the A6 C5 1.9 TDI.