2017 Audi S4

The 2017 Audi S4 is a performance-oriented sedan that boasts a sophisticated design and a thrilling driving experience. The sole engine option is a 3.0-liter turbocharged V6 engine, producing 354 horsepower and 369 lb-ft of torque. This engine is paired exclusively with an eight-speed Tiptronic automatic transmission. Owners generally praise the S4 for its quick acceleration, sharp handling, comfortable interior, and advanced technology features. However, some common complaints include the lack of a manual transmission option, somewhat numb steering feel, and the potential for relatively high maintenance costs.

Engine

3.0L TFSI V6

• Thermostat Housing Leak
  • Description/Symptoms: Coolant leak, often manifesting as a sweet smell of coolant after driving or a visible puddle under the car. Can lead to engine overheating if not addressed.
  • Solution: Replacement of the thermostat housing assembly.
  • Estimated Cost to Fix: $400 - $800+
  • Recalls: None Found
• PCV (Positive Crankcase Ventilation) Valve Failure
  • Description/Symptoms: Rough idling, engine misfires, oil leaks, or a check engine light. A whistling sound may also be present.
  • Solution: Replacement of the PCV valve or the entire PCV assembly.
  • Estimated Cost to Fix: $200 - $600+
  • Recalls: None Found
• Water Pump Failure
  • Description/Symptoms: Coolant leak, engine overheating. The water pump impeller may fail, reducing or eliminating coolant flow.
  • Solution: Replacement of water pump.
  • Estimated Cost to Fix: $600 - $1,200+
  • Recalls: None Found

Transmission

8-Speed Tiptronic Automatic

• Mechatronic Unit Failure
  • Description/Symptoms: Harsh shifting, delayed engagement, slipping, or complete loss of gear engagement. May trigger warning lights.
  • Solution: Replacement or repair of the mechatronic unit.
  • Estimated Cost to Fix: $2,000 - $5,000+
  • Recalls: None Found

Suspension

• Adaptive Damper Failure (If Equipped)
  • Description/Symptoms: Uneven ride height, clunking noises from suspension, reduced ride quality, and potential warning lights related to the adaptive suspension system.
  • Solution: Replacement of the affected adaptive damper(s).
  • Estimated Cost to Fix: $800 - $2,000+ per damper
  • Recalls: None Found
• Sway Bar Link Failure
  • Description/Symptoms: Clunking noise from front or rear of vehicle when driving over bumps or turning.
  • Solution: Replacement of the sway bar links.
  • Estimated Cost to Fix: $150-$400+
  • Recalls: None Found

Electrical

• Battery Drain Issues
  • Description/Symptoms: Dead battery after short periods of inactivity, difficulty starting the car. May be caused by a parasitic draw from a faulty module or accessory.
  • Solution: Diagnosis of the parasitic draw and repair or replacement of the faulty component.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found
• Infotainment System Glitches
  • Description/Symptoms: System freezing, slow response times, Bluetooth connectivity issues, and screen malfunctions.
  • Solution: Software update or replacement of the infotainment unit.
  • Estimated Cost to Fix: $100 - $1,500+
  • Recalls: None Found

Exterior

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

Interior

• No Issues Found

Summary

The 2017 Audi S4, while generally reliable, can experience some notable issues. The most concerning are related to the mechatronic unit in the transmission, which can be an expensive repair. Engine issues like coolant leaks and PCV failure are also common and can lead to further damage if not addressed. Electrical glitches and suspension issues can affect the driving experience, but are generally less severe in terms of cost. Overall, prospective buyers should be aware of these potential problems and factor in the cost of potential repairs when considering a used 2017 Audi S4.