2014 Audi A6 Quattro

The 2014 Audi A6 Quattro is a mid-size luxury sedan known for its stylish design, comfortable interior, and engaging driving dynamics. The Quattro all-wheel-drive system provides excellent traction in various weather conditions. Engine options for the 2014 A6 Quattro include a 2.0-liter turbocharged inline-4 producing 220 horsepower and 258 lb-ft of torque, and a 3.0-liter supercharged V6 producing 310 horsepower and 325 lb-ft of torque. Both engines are paired with an 8-speed automatic transmission. Owners generally appreciate the A6’s refined interior, quiet ride, and advanced technology features. Common dislikes include the sometimes-complex infotainment system and potentially high repair costs.

Engine

3.0-Liter Supercharged V6

• Supercharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light.
  • Solution: Replace the supercharger.
  • Estimated Cost to Fix: $3,000 - $5,000+
  • Recalls: None Found
• Thermostat Housing Leak
  • Description/Symptoms: Coolant leak, overheating, low coolant level warning.
  • Solution: Replace the thermostat housing assembly.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

2.0-Liter Turbocharged Inline-4

• Timing Chain Tensioner Failure
  • Description/Symptoms: Rattling noise from the engine, especially on startup, engine misfires, check engine light.
  • Solution: Replace the timing chain, tensioner, and related components.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found
• Excessive Oil Consumption
  • Description/Symptoms: Low oil level warning, blue smoke from the exhaust, needing to add oil frequently.
  • Solution: The fix varies, but can include replacing piston rings, valve seals, or even the entire engine in severe cases.
  • Estimated Cost to Fix: $2,000 - $8,000+
  • Recalls: None Found

Transmission

8-Speed Automatic Transmission (All Engine Options)

• Mechatronic Unit Failure
  • Description/Symptoms: Harsh shifting, slipping between gears, failure to shift, transmission fault warning light.
  • Solution: Replace or rebuild the mechatronic unit.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Suspension

• Air Suspension Compressor Failure (If Equipped)
  • Description/Symptoms: Vehicle sagging, air suspension malfunction warning, inability to adjust ride height.
  • Solution: Replace the air suspension compressor.
  • Estimated Cost to Fix: $1,000 - $2,500+
  • Recalls: None Found
• Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the suspension, uneven tire wear, vague steering.
  • Solution: Replace the control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $300 - $800+ per control arm
  • Recalls: None Found

Electrical

• Faulty Mass Air Flow (MAF) Sensor
  • Description/Symptoms: Poor engine performance, stalling, rough idling, check engine light.
  • Solution: Replace the MAF sensor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: Dead battery, needing to jump-start the car, electrical systems malfunctioning.
  • Solution: Diagnose and repair the parasitic draw. Potential causes include faulty modules, wiring issues, or aftermarket accessories.
  • Estimated Cost to Fix: $100 - $1,000+ (depending on the source of the drain)
  • Recalls: None Found
• Infotainment System Freezing/Crashing
  • Description/Symptoms: MMI (Multi Media Interface) freezing, unresponsive touchscreen, system reboots, Bluetooth connectivity issues.
  • Solution: Software update, MMI unit replacement
  • Estimated Cost to Fix: $0 - $1,500+ (depending on if it’s a software issue or hardware)
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, getting stuck, making grinding noises, water leaks.
  • Solution: Repair or replace the sunroof motor, tracks, or seals.
  • Estimated Cost to Fix: $300 - $1,500+
  • Recalls: None Found

Interior

• Navigation System Errors
  • Description/Symptoms: Not pinpointing proper locations, difficulty finding desired location, and inaccurate routes
  • Solution: Software update or replacement
  • Estimated Cost to Fix: $0 - $1,500+ (depending on if it’s a software issue or hardware)
  • Recalls: None Found

Summary

The 2014 Audi A6 Quattro, while a desirable luxury sedan, can present owners with a range of issues. Engine problems, particularly with the supercharger on the 3.0L V6 and the timing chain on the 2.0L, can be costly. Transmission issues with the Mechatronic unit are also common. Suspension problems, especially with the air suspension (if equipped), add to the potential maintenance expenses. Electrical issues, like battery drain and infotainment system malfunctions, can be frustrating. While some issues are relatively minor, others can lead to significant repair bills. Potential buyers should be aware of these common problems and factor them into their purchasing decision.