2021 Audi RS5

Here’s a breakdown of common issues and complaints reported for the 2021 Audi RS5, organized by category and component.

The 2021 Audi RS5 is a performance coupe/sportback known for its stylish design, powerful engine, and engaging driving experience. It comes exclusively with a 2.9-liter twin-turbocharged V6 engine producing 444 horsepower and 443 lb-ft of torque, paired with an 8-speed automatic transmission and Quattro all-wheel drive. Owners often praise its acceleration, handling, and luxurious interior. Common complaints include the high price, sometimes stiff ride (especially with the optional sport suspension), and the infotainment system’s learning curve.

Engine

2.9L Twin-Turbo V6

• Turbocharger Failure
  • Description/Symptoms: Whining noise from the engine, loss of power, check engine light. Can sometimes be related to oil starvation.
  • Solution: Replacement of the failed turbocharger(s). Oil analysis to determine root cause.
  • Estimated Cost to Fix: $3,000 - $6,000+ (depending on whether one or both turbos need replacement, and shop rates).
  • Recalls: None Found
• Coolant Leaks
  • Description/Symptoms: Low coolant level, coolant warning light, visible coolant leaks around engine components.
  • Solution: Identify and replace the leaking coolant hoses, reservoirs, or seals. Pressure test the system to identify the source of the leak.
  • Estimated Cost to Fix: $200 - $1,000+ depending on the location and complexity of the leak.
  • Recalls: None Found

Transmission

8-Speed Automatic (ZF 8HP)

• Rough Shifting/Hesitation
  • Description/Symptoms: Noticeable jerky or harsh shifts, especially during low-speed maneuvers or when cold. Hesitation or delays when accelerating.
  • Solution: Software update (TCU reflash). If the problem persists, valve body replacement or transmission rebuild/replacement might be necessary.
  • Estimated Cost to Fix: $200 - $500 for a software update. $1,500 - $4,000+ for valve body or transmission work.
  • Recalls: None Found
• Mechatronic Unit Failure
  • Description/Symptoms: Transmission stuck in gear, inability to shift, flashing transmission warning light, limp mode.
  • Solution: Replacement of the Mechatronic unit.
  • Estimated Cost to Fix: $2,000 - $3,500+
  • Recalls: None Found

Suspension

• Adaptive Damper Issues (if equipped)
  • Description/Symptoms: Uneven ride, clunking noises from suspension, error messages related to the adaptive damping system.
  • Solution: Diagnose and replace faulty adaptive dampers or related sensors. Recalibration of the system may be needed after replacement.
  • Estimated Cost to Fix: $800 - $2,000+ per damper (parts and labor), plus diagnostic fees.
  • Recalls: None Found

Electrical

• Infotainment System Glitches
  • Description/Symptoms: System freezing, slow response, screen flickering, Bluetooth connectivity problems, navigation errors.
  • Solution: Software updates, system reset, or replacement of the infotainment module in severe cases.
  • Estimated Cost to Fix: $0 - $300 for software updates/reset. $1,000 - $2,500+ for module replacement.
  • Recalls: None Found
• Sensor Malfunctions (Parking Sensors, Driver Assist Systems)
  • Description/Symptoms: False alarms, system failures, warning lights related to parking sensors, lane assist, or adaptive cruise control.
  • Solution: Diagnostic scan to identify the faulty sensor. Replacement and recalibration of the affected system.
  • Estimated Cost to Fix: $200 - $800+ per sensor (parts and labor), plus diagnostic fees.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Seat Heater Malfunctions
  • Description/Symptoms: Seat heaters not working, overheating, or only working intermittently.
  • Solution: Replace the heating element or control module for the affected seat.
  • Estimated Cost to Fix: $300 - $1,000+ depending on the specific issue and part.
  • Recalls: None Found
• Sunroof/Moonroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, unusual noises, leaks.
  • Solution: Lubricate tracks, repair or replace motor or linkage components. Replacement of the entire sunroof assembly in severe cases.
  • Estimated Cost to Fix: $100 - $200 for lubrication. $500 - $2,000+ for more extensive repairs or replacement.
  • Recalls: None Found

Summary:

The 2021 Audi RS5, while a high-performance and luxurious vehicle, does have some potential issues to be aware of. The most concerning (and potentially expensive) are related to the turbochargers and the transmission. Electrical glitches with the infotainment system are also relatively common. Suspension issues are possible, especially on models equipped with the adaptive damping system. Overall, while no car is perfect, addressing these potential problems proactively can help ensure a reliable and enjoyable ownership experience. The severity of the issues ranges from minor software glitches to major mechanical failures, with repair costs varying significantly. Be sure to thoroughly inspect any used RS5 before purchase, and consider a pre-purchase inspection by a qualified mechanic specializing in Audi vehicles.