Audi , A6 , C5 , 2.5 TDI Quattro (2000-)

Audi A6 C5 2.5 TDI Quattro: A Comprehensive Buyer's Guide

The Audi A6 C5 2.5 TDI Quattro is a high-performance executive car that was produced from 2002 to 2004. It features a powerful 2.5-liter turbocharged diesel engine, all-wheel drive, and a range of advanced technologies. For buyers seeking a reliable, luxurious, and performance-oriented sedan, the A6 C5 2.5 TDI Quattro is an excellent option.

Design and Interior

The A6 C5 features a sleek and aerodynamic design, with a long hood, a sloping roofline, and a distinctive front grille. The interior is characterized by premium materials, such as leather upholstery, wood trim, and metal accents. The cockpit is designed to provide optimal comfort and control, with a flat-bottomed steering wheel, paddle shifters (on manual transmissions), and a range of ergonomic settings.

Engine and Performance

The 2.5-liter turbocharged diesel engine produces 174 horsepower and 258 lb-ft of torque. This powerplant delivers excellent fuel efficiency, with an estimated combined MPG of up to 35. The Quattro all-wheel-drive system ensures stable traction and handling in various driving conditions. With a top speed of 143 mph (230 km/h), the A6 C5 2.5 TDI Quattro is capable of rapid acceleration and smooth cruising.

Features and Options

The A6 C5 was offered with a range of advanced features, including:

• Driver Information System: A comprehensive display that provides vital information on speed, fuel consumption, oil temperature, and more.
• Electronic Stability Program (ESP): A sophisticated electronic control system that ensures stable handling and prevents skidding.
• Rain and Light Sensors: Automatic windshield wipers and headlights for enhanced safety in adverse weather conditions.
• Premium Sound System: A high-quality audio setup with 14 speakers and a 10-disc changer.

Trim Levels and Packages

The A6 C5 was produced in various trim levels, including:

• 2.5 TDI Quattro: The base model featuring the turbocharged diesel engine and all-wheel drive.
• 2.7 TDI Quattro: A higher-output version with a more powerful 2.7-liter turbocharged diesel engine (188 horsepower).
• S-line Package: A sport-oriented package that adds a range of exterior and interior upgrades, including a unique front bumper, side skirts, and rear spoiler.

Pros and Cons

• Pros:
  • Powerful and efficient turbocharged diesel engine
  • All-wheel drive for enhanced stability and control
  • Luxurious interior with premium materials
  • Advanced safety features and technologies
  • Refined ride quality and handling
• Cons:
  • Some owners have reported issues with the electronic throttle system (ETS)
  • The 2.5-liter engine can be noisy under heavy acceleration
  • Limited availability of spare parts for older models

Maintenance and Repair

Regular maintenance is essential to ensure the long-term reliability and performance of the A6 C5. The recommended service schedule includes:

• Oil changes: Every 7,500 miles (12,000 km) or as recommended by the manufacturer
• Timing belt replacement: At 105,000 miles (169,000 km) for the 2.5-liter engine
• Brake pad replacements: As needed to maintain optimal stopping performance

Price and Value

Prices for used Audi A6 C5 2.5 TDI Quattro models vary depending on trim level, mileage, condition, and location. On average, you can expect to pay:

• $8,000 - $12,000: For a well-maintained base model with high mileage (over 100,000 miles)
• $12,000 - $18,000: For a lower-mileage model in good condition
• $18,000 - $25,000: For a high-end trim level or a low-mileage model

Final Verdict

The Audi A6 C5 2.5 TDI Quattro is an exceptional executive car that offers impressive performance, luxurious features, and advanced technologies. While some owners have reported minor issues with reliability, the overall package makes it an excellent choice for buyers seeking a high-performance sedan with a premium feel.