2023 Audi S4

The 2023 Audi S4 is a performance sedan that offers a blend of luxury and sportiness. The S4 comes standard with a 3.0-liter turbocharged V6 engine producing 349 horsepower and 369 lb-ft of torque. All trims are equipped with an 8-speed automatic transmission and the Quattro all-wheel-drive system. The S4 is praised for its powerful engine, agile handling, and luxurious interior. Some common criticisms include the somewhat numb steering feel and the infotainment system’s complexity.

Engine

3.0-Liter Turbocharged V6

• Coolant Leaks
  • Description/Symptoms: Some owners have reported coolant leaks originating from the thermostat housing or the water pump area. Symptoms include a low coolant warning light, visible coolant pooling under the vehicle, and a sweet smell.
  • Solution: Replacement of the thermostat housing and/or water pump and related gaskets.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Transmission

8-Speed Automatic Transmission

• Hesitation on Acceleration
  • Description/Symptoms: Some owners have reported a slight hesitation or delay in response when accelerating from a stop or low speeds. This is most noticeable in “Drive” mode rather than “Sport” mode.
  • Solution: While not a complete fix, some owners have found that a software update or transmission control module (TCM) reflash from the dealer can improve shift smoothness and reduce the hesitation. In some cases, a full transmission replacement might be needed if it’s a mechanical issue.
  • Estimated Cost to Fix: $100 - $300 (software update), $6,000 - $8,000+ (transmission replacement)
  • Recalls: None Found

Electrical

• Infotainment System Freezing/Rebooting
  • Description/Symptoms: The MMI infotainment system occasionally freezes, lags, or reboots unexpectedly. This can affect navigation, audio, and other vehicle functions.
  • Solution: A software update from the dealership is often the first step. In some cases, replacing the MMI control unit might be necessary.
  • Estimated Cost to Fix: $0 (software update, covered under warranty), $800 - $1,500+ (MMI control unit replacement)
  • Recalls: None Found
• Sensor Malfunctions
  • Description/Symptoms: Faulty sensors causing malfunction of safety features, such as lane assist, adaptive cruise control, or parking sensors. Error messages appear on the dashboard, and the affected system may not function correctly.
  • Solution: Diagnosis with an OBD-II scanner to identify the faulty sensor. Replacement of the sensor and recalibration of the system.
  • Estimated Cost to Fix: $200 - $600+ per sensor, depending on location and type.
  • Recalls: None Found

Interior

• Sunroof/Moonroof Rattle or Squeak
  • Description/Symptoms: Rattling or squeaking noises originating from the sunroof/moonroof area, especially when driving over uneven surfaces.
  • Solution: Lubricating the sunroof tracks and seals or tightening any loose components. In some cases, replacing the sunroof assembly might be required.
  • Estimated Cost to Fix: $50 - $200 (lubrication/adjustment), $800 - $2,000+ (sunroof assembly replacement)
  • Recalls: None Found

Summary

The 2023 Audi S4 generally has few significant issues, but problems can occur. The most commonly reported problems concern electrical issues with the infotainment system and minor rattles within the interior. Engine and transmission problems appear to be less common but can be more expensive to repair if they occur. Owners should be vigilant about checking for coolant leaks and addressing any hesitations during acceleration. Overall, the severity of issues ranges from minor inconveniences to potentially costly repairs, but the majority of owners experience a reliable and enjoyable driving experience.