2024 Audi S4

The 2024 Audi S4 is a performance-oriented sedan that boasts a compelling blend of luxury and athleticism. It comes standard with a 3.0-liter turbocharged V6 engine that delivers 349 horsepower and 369 lb-ft of torque. The engine is exclusively paired with an eight-speed Tiptronic automatic transmission and Audi’s Quattro all-wheel-drive system. Owners generally appreciate the S4’s powerful engine, responsive handling, refined interior, and advanced technology features. Common dislikes include its relatively high price tag, some drivers finding the ride a bit firm, and the infotainment system having a learning curve.

Engine

3.0L Turbocharged V6

• Coolant Leaks
  • Description/Symptoms: Coolant leaks originating from the water pump. This can lead to overheating if left unaddressed. Symptoms include a low coolant warning light, visible coolant pooling under the vehicle, or a sweet smell emanating from the engine bay.
  • Solution: Replace the water pump and thermostat.
  • Estimated Cost to Fix: $800 - $1200+
  • Recalls: None Found
• Carbon Buildup
  • Description/Symptoms: Direct-injection engines like the S4’s are prone to carbon buildup on the intake valves. This can lead to reduced engine performance, rough idling, misfires, and decreased fuel economy.
  • Solution: Perform an intake valve cleaning service, such as media blasting or manual scrubbing.
  • Estimated Cost to Fix: $500 - $1000+
  • Recalls: None Found

Transmission

8-Speed Tiptronic Automatic

• Rough Shifting/Hesitation
  • Description/Symptoms: Some owners have reported experiencing rough or delayed shifts, particularly when downshifting. Hesitation or jerking during acceleration can also occur.
  • Solution: Perform a transmission fluid flush and filter change. If the problem persists, the valve body may need to be inspected and potentially replaced.
  • Estimated Cost to Fix: Fluid flush: $300 - $500. Valve body replacement: $1500 - $3000+
  • Recalls: None Found

Suspension

• Adaptive Damper Malfunctions
  • Description/Symptoms: S4 models equipped with the optional adaptive damping suspension (Audi Drive Select) can experience issues with the dampers failing. Symptoms include a noticeably harsher or bouncier ride, uneven handling, or error messages related to the suspension system.
  • Solution: Replace the faulty adaptive damper(s).
  • Estimated Cost to Fix: $800 - $1500+ per damper
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Glitches
  • Description/Symptoms: The MMI infotainment system can sometimes freeze, glitch, or become unresponsive. This can affect navigation, audio, climate control, and other vehicle functions.
  • Solution: Attempt a system reboot. If the problem persists, a software update or hardware replacement may be necessary.
  • Estimated Cost to Fix: Software update: Typically covered under warranty or minimal cost. Hardware replacement: $500 - $2000+
  • Recalls: None Found
• Sensor Failures
  • Description/Symptoms: Various sensors, such as those for the parking system or driver assistance features, can fail. This can result in warning lights, error messages, or malfunctions in the affected systems.
  • Solution: Diagnose and replace the faulty sensor.
  • Estimated Cost to Fix: $200 - $800+ depending on the sensor.
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Rattles and Squeaks
  • Description/Symptoms: Some owners have reported experiencing rattles and squeaks in the interior, particularly from the dashboard or door panels.
  • Solution: Identify the source of the noise and secure or lubricate the affected components.
  • Estimated Cost to Fix: Variable, depending on the source. Could range from a simple DIY fix to several hundred dollars if professional attention is needed.
  • Recalls: None Found

Summary

The 2024 Audi S4, while generally a reliable and enjoyable vehicle, can be subject to several issues as it ages. The most concerning issues appear to be related to the engine cooling system (coolant leaks) and the potential for carbon buildup, which can affect engine performance. Additionally, the transmission can have issues with rough shifting, which can become costly to repair. Other issues such as electrical glitches and interior rattles are less severe, but can still impact the overall ownership experience. While the S4 delivers impressive performance and luxury, prospective buyers should be aware of these potential issues and factor in the potential cost of repairs.