Electronic System Malfunctions

The high TSB count (236) suggests a prevalence of electronic glitches and software-related issues affecting various systems, from infotainment to engine management. These can manifest as warning lights, system errors, or unexpected behavior. Estimated repair cost: $200 - $1,500.

While not explicitly detailed in the provided data, oil leaks are a common concern in turbocharged Audi models. Potential sources include valve cover gaskets, oil pan gaskets, or turbocharger oil lines. Early detection is crucial to prevent engine damage. Estimated repair cost: $300 - $1,000.

Performance vehicles like the S4 often experience faster brake wear due to their higher speeds and more aggressive driving potential. Regular inspection and timely replacement of pads and rotors are essential for safety and performance. Estimated repair cost: $400 - $1,200.

CARFOCALvehicle research

2025 Audi S4 Maintenance guide

Name: Maintenance dataset for 2025 Audi S4
Creator: Carfocal

v1.0Updated Jun 2, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

The 2025 Audi S4, with a 'Below Average' reliability verdict, warrants diligent maintenance due to a high TSB count. Prioritize regular fluid changes and inspections, particularly for the powertrain and electronics, as indicated by 236 TSBs.

View Critical Issue: Brake Wear

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$600 - $1,000

TSBs & Recalls

236 TSBs | 0 Recalls

CarFocal account required

Unlock the Full 2025 Audi S4 Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Proactive maintenance is essential due to a 'Below Average' reliability verdict and a high TSB count.
Regularly inspect electronic systems for potential glitches and apply software updates.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance

2025 Audi S4 Maintenance guide

v1.0Updated Jun 2, 2026Ryan Davis4 Sources Analyzed

MAINTENANCE SUMMARY

View Critical Issue: Brake Wear

Subscribe to Recall Alerts Subscribe to Recall Alerts

Reliability Score

Est. Annual Maintenance Cost

$600 - $1,000

TSBs & Recalls

236 TSBs | 0 Recalls

CarFocal account required

Unlock the Full 2025 Audi S4 Maintenance Guide

Create a free account to reveal the full service schedule, repair costs, and deeper diagnostic data.

Key Takeaways

Proactive maintenance is essential due to a 'Below Average' reliability verdict and a high TSB count.
Regularly inspect electronic systems for potential glitches and apply software updates.

2 more takeaways unlock below

Critical service intervals

Common failure analysis

Symptoms and prevention guidance