2015 Audi S5

The 2015 Audi S5 is a performance-oriented coupe, convertible, or sedan known for its stylish design, comfortable interior, and engaging driving experience. The most common engine is the supercharged 3.0-liter V6, producing 333 horsepower and 325 lb-ft of torque. The S5 was offered with either a 6-speed manual or a 7-speed S tronic dual-clutch transmission. Many owners appreciate the S5’s blend of luxury and sportiness, praising its acceleration, handling, and overall refinement. Common complaints often revolve around repair costs, particularly concerning the supercharger and some of the electronic components, as well as the occasional issue with the dual-clutch transmission.

Engine

3.0-Liter Supercharged V6

• Supercharger Failure/Malfunction
  • Description/Symptoms: Whining noise from the engine bay, reduced power, potential check engine light with codes related to supercharger boost or efficiency. Possible cause may include bearing failure in the supercharger itself.
  • Solution: Supercharger replacement or rebuild.
  • Estimated Cost to Fix: $2,500 - $4,500+
  • Recalls: None Found
• Thermostat Housing Leak
  • Description/Symptoms: Coolant leak, overheating, low coolant level. The plastic thermostat housing can crack or warp over time, leading to coolant loss.
  • Solution: Replacement of the thermostat housing, often including a new thermostat.
  • Estimated Cost to Fix: $400 - $800
  • Recalls: None Found
• PCV Valve Failure
  • Description/Symptoms: Rough idle, whistling noise from engine, oil leaks, potential check engine light.
  • Solution: Replacement of the PCV valve.
  • Estimated Cost to Fix: $200 - $400
  • Recalls: None Found

Transmission

7-Speed S tronic Dual-Clutch Transmission

• Mechatronic Unit Failure
  • Description/Symptoms: Harsh or delayed shifting, transmission slipping, inability to select gears, transmission malfunction warning light.
  • Solution: Replacement or repair of the mechatronic unit (transmission control unit).
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found
• Clutch Wear/Failure
  • Description/Symptoms: Slipping during acceleration, jerky engagement, difficulty shifting, shuddering.
  • Solution: Clutch replacement.
  • Estimated Cost to Fix: $2,000 - $3,500+
  • Recalls: None Found

6-Speed Manual Transmission

• No Issues Found

Suspension

• Control Arm Bushing Wear/Failure
  • Description/Symptoms: Clunking noises from the front suspension, especially over bumps. Vague steering. Premature tire wear.
  • Solution: Replacement of the worn control arm bushings or entire control arm assembly.
  • Estimated Cost to Fix: $300 - $800+ per control arm
  • Recalls: None Found

Electrical

• Navigation/MMI Screen Failure
  • Description/Symptoms: Screen flickering, blank screen, unresponsive controls, system rebooting.
  • Solution: Replacement of the MMI screen or control unit.
  • Estimated Cost to Fix: $800 - $2,000+
  • Recalls: None Found
• Door Lock Actuator Failure
  • Description/Symptoms: Door not locking or unlocking properly, difficulty opening the door from the inside or outside.
  • Solution: Replacement of the door lock actuator.
  • Estimated Cost to Fix: $300 - $600
  • Recalls: None Found

Exterior

• Sunroof Issues
  • Description/Symptoms: Sunroof not opening or closing properly, binding, excessive noise during operation, water leaks.
  • Solution: Lubrication, adjustment, or replacement of sunroof components.
  • Estimated Cost to Fix: $200 - $1,000+
  • Recalls: None Found

Interior

• Seat Heater Failure
  • Description/Symptoms: Seat heater not working or working intermittently.
  • Solution: Replacement of the seat heater element or control module.
  • Estimated Cost to Fix: $300 - $800
  • Recalls: None Found

Summary The 2015 Audi S5, while a desirable performance vehicle, presents owners with a range of potential issues. Engine issues, particularly related to the supercharger, and transmission issues with the S tronic dual-clutch, can be expensive to repair. Electrical problems, such as MMI screen failures, can also be costly. Suspension and interior issues are generally less severe but still require attention. Overall, prospective buyers should be aware of the potential for higher-than-average maintenance and repair costs associated with this model.