Audi , A6 , C4 , 2.5 TDI 140 Quattro (1995-) Little Known Facts
- The 1995 Audi A6 C4 2.5 TDI 140 Quattro was powered by a turbocharged inline-5 engine.
- It had a displacement of 2,471 cc and produced 110 kW (150 PS) of power at 3,800 rpm.
- Maximum torque output was 294 Nm at 1,900 rpm.
- The car featured a 5-speed manual transmission as standard, with a 6-speed tiptronic automatic available as an option.
- Audi's Quattro all-wheel-drive system provided traction to all four wheels.
- The A6 C4 had a kerb weight of around 1,510 kg.
- Top speed was electronically limited to 210 km/h (130 mph) for the manual transmission model.
- The car featured Audi's Vario-cam variable valve timing system on the intake valves.
- It had a Bosch Motronic ECU controlling engine performance.
- Ground clearance was 140 mm, with a turning radius of 11.2 meters.
- Braking power came from ventilated discs at all four corners (320mm front and rear).
- The car's exterior dimensions were: length 4,840 mm, width 1,740 mm, height 1,450 mm.
- Front track was 1,505 mm with a rear track of 1,486 mm.
- Luggage space volume was approximately 530 liters (without considering the underfloor compartment).
- The A6 C4 featured Audi's renowned S-System for adjusting driver assistance systems such as seat position and mirrors from within the car via a single control on the steering column.
- Fuel tank capacity was 70 liters, with an estimated fuel economy of around 7.2L/100km under combined driving conditions.
- The manual transmission model had a gear ratio spread of: 4.071 (1st), 2.188 (2nd), 1.345 (3rd), 0.94 (4th), and 0.778 (5th).
- An oil change was recommended every 15,000 km.
- The A6 C4 had an oil capacity of around 7 liters.
- Regular maintenance services included a brake fluid flush after every 30,000 kilometers.
- Air filter replacement was suggested every 40,000 to 60,000 kilometers, depending on driving conditions.
- Timing belt replacement was necessary at 100,000 km intervals under standard operating conditions.
- The engine coolant should be changed every 50,000 km.
- Regular inspection of the exhaust system and catalytic converter were recommended after every 40,000 to 60,000 kilometers, based on driving patterns.
- Worn-out spark plugs were estimated to be replaced every 30,000 to 45,000 kilometers, depending on engine performance.
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