2021 Audi S5 Sportback

The 2021 Audi S5 Sportback is a stylish and sporty four-door coupe that offers a compelling blend of performance and practicality. It primarily comes equipped with a 3.0-liter turbocharged V6 engine producing 349 horsepower and 369 lb-ft of torque, paired with an 8-speed automatic transmission and Quattro all-wheel drive. The S5 is praised for its sleek design, comfortable interior, and engaging driving dynamics. However, some owners have reported issues regarding the infotainment system, sensor malfunctions, and occasional mechanical problems. While the S5 offers a premium driving experience, potential buyers should be aware of these potential issues.

Engine

3.0L Turbocharged V6

• Coolant Leaks
  • Description/Symptoms: Coolant level decreasing rapidly, visible coolant leaks near the water pump or thermostat housing, overheating engine.
  • Solution: Replacing the faulty water pump, thermostat housing, or associated seals.
  • Estimated Cost to Fix: $800 - $1500+
  • Recalls: None Found
• Oil Leaks
  • Description/Symptoms: Visible oil leaks under the vehicle, burning oil smell, low oil level warning light. Common leak areas include the valve cover gaskets and rear main seal.
  • Solution: Replacing the valve cover gaskets or rear main seal.
  • Estimated Cost to Fix: $300 - $1000+
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP55A)

• Harsh Shifting
  • Description/Symptoms: Noticeable rough or jerky shifts between gears, especially at lower speeds.
  • Solution: Performing a transmission fluid flush and filter change. In some cases, software updates or valve body replacement may be required.
  • Estimated Cost to Fix: $300 - $3000+
  • Recalls: None Found
• Delayed Engagement
  • Description/Symptoms: A noticeable delay between shifting into drive or reverse and the vehicle actually moving.
  • Solution: Fluid flush, software update, or transmission replacement if problem persists.
  • Estimated Cost to Fix: $300 - $6000+
  • Recalls: None Found

Suspension

• Adaptive Damper Issues
  • Description/Symptoms: Error message on the dashboard related to the adaptive dampers, uneven ride quality, clunking noises from the suspension.
  • Solution: Replacing the faulty adaptive damper.
  • Estimated Cost to Fix: $800 - $1500+ per damper
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Crashing
  • Description/Symptoms: The MMI (Multi Media Interface) system freezes, becomes unresponsive, or restarts unexpectedly.
  • Solution: Software updates or, in some cases, replacement of the MMI control unit.
  • Estimated Cost to Fix: $0 (if software update) - $1500+
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Blind Spot Monitoring)
  • Description/Symptoms: Parking sensors not functioning correctly, false alerts from the blind spot monitoring system.
  • Solution: Replacing the faulty sensor.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found
• Battery Drain
  • Description/Symptoms: Vehicle battery dies overnight or after a short period of inactivity.
  • Solution: Diagnose parasitic draw by a professional mechanic, replace the battery with a new one if it tests bad.
  • Estimated Cost to Fix: $200-$500+
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof motor failure resulting in the sunroof not opening or closing.
  • Solution: Replacing the sunroof motor.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Interior

• Seat Heater Malfunction
  • Description/Symptoms: Seat heaters not working, or working intermittently.
  • Solution: Replacing the faulty seat heater element or control module.
  • Estimated Cost to Fix: $300 - $800+
  • Recalls: None Found

Summary

The 2021 Audi S5 Sportback, while a desirable vehicle, has some common issues that potential buyers should be aware of. Engine issues like coolant and oil leaks can be moderately expensive to repair. The transmission can exhibit shifting problems that may require anything from a fluid change to a complete replacement. Electronic gremlins, particularly with the infotainment system and sensors, are also prevalent. Overall, while not catastrophic, these issues can lead to moderate repair costs and potential inconvenience for owners. Addressing these issues proactively through maintenance and seeking prompt repairs is essential for maintaining the long-term reliability of the vehicle.