2009 Audi S5
2009 Audi S5
Overview
The 2009 Audi S5, a performance-oriented grand tourer, offered a compelling blend of V8 power and sophisticated styling. While generally well-regarded for its driving dynamics and premium feel, like any vehicle of its age, it has specific areas that have shown a propensity for issues. This analysis focuses on documented technical reliability concerns beyond routine maintenance, providing insights into potential problem areas for owners and prospective buyers. Understanding these common faults can help in proactive maintenance and budgeting for repairs.
Engine
4.2L V8 (Naturally Aspirated)
Timing Chain Guides
- Symptoms: Rattling noise from the rear of the engine, especially on startup; check engine light.
- Solution: Replacement of timing chain, tensioners, guides, and seals. This is a labor-intensive job.
- Cost: $2500 - $4000
Oil Consumption
- Symptoms: Excessive oil usage between changes, potentially leading to low oil levels and engine damage.
- Solution: Can range from PCV valve replacement to piston ring replacement or cylinder head work, depending on severity.
- Cost: $500 - $3000+
Transmission
6-Speed Manual
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
6-Speed Tiptronic Automatic
Torque Converter Issues
- Symptoms: Shuddering during acceleration, delayed engagement, or slipping.
- Solution: Replacement of the torque converter.
- Cost: $1500 - $2500
Suspension
Standard Chassis
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Electrical
General Electrical System
Infotainment System Glitches
- Symptoms: Screen freezing, unresponsive buttons, Bluetooth connectivity issues.
- Solution: Software updates or replacement of the MMI control unit.
- Cost: $300 - $1200
Sensor Failures
- Symptoms: Various warning lights on the dashboard (ABS, ESP, etc.), engine performance issues.
- Solution: Diagnosis and replacement of faulty sensors (e.g., ABS wheel speed sensors, crankshaft position sensor).
- Cost: $200 - $600
Exterior
Body and Trim
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Interior
Cabin Components
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Summary Verdict
The 2009 Audi S5, while a desirable performance coupe, is not without its potential reliability concerns, particularly concerning the V8 engine’s timing chain system and oil consumption. The automatic transmission can also present issues with the torque converter. Electrical gremlins, especially with the infotainment system, are not uncommon. Owners should be prepared for potentially significant repair costs related to the engine and transmission. Regular and thorough maintenance, especially monitoring oil levels and addressing any unusual noises promptly, is crucial for mitigating these risks and ensuring the longevity of this performance vehicle.