2008 Audi S5

2008 Audi S5

The 2008 Audi S5 is a high-performance coupe powered by a 4.2-liter V8 engine with 354 horsepower and 325 lb-ft of torque. It comes standard with a 6-speed manual transmission or an optional 6-speed automatic transmission. The S5 is known for its aggressive styling, luxurious interior, and engaging driving dynamics. However, like any car, it has its fair share of issues.

Engine

• 4.2L V8 Engine
  • Oil consumption: Excessive oil consumption, leading to frequent top-ups.
    • Solution: Engine rebuild or replacement
    • Estimated Cost to Fix: $5000 - $12000+
  • Timing chain tensioner failure: Failure of the timing chain tensioner can lead to skipped timing and engine damage.
    • Solution: Replacement of the timing chain tensioner
    • Estimated Cost to Fix: $1000 - $2000
  • Valve stem seal failure: Worn valve stem seals can cause excessive oil consumption.
    • Solution: Replacement of valve stem seals
    • Estimated Cost to Fix: $2000 - $3000
  • Carbon buildup on intake valves: Carbon buildup on the intake valves can reduce engine performance and fuel economy.
    • Solution: Cleaning of the intake valves
    • Estimated Cost to Fix: $500 - $1000

Transmission

• 6-Speed Manual Transmission
  • Gear grinding: Difficulty shifting gears, especially when cold.
    • Solution: Replacement of the synchronizers
    • Estimated Cost to Fix: $1000 - $2000
• 6-Speed Automatic Transmission
  • Shift flare: Hard or delayed shifts between gears.
    • Solution: Replacement of the transmission fluid and filter, or reprogramming of the transmission control module
    • Estimated Cost to Fix: $200 - $600
  • Torque converter shudder: Vibration during acceleration or deceleration.
    • Solution: Replacement of the torque converter
    • Estimated Cost to Fix: $2000 - $3000

Suspension

• Front suspension:
  • Strut mount failure: Premature wear of the strut mounts, leading to clunking or rattling noises.
    • Solution: Replacement of the strut mounts
    • Estimated Cost to Fix: $500 - $1000

Electrical

• Xenon headlamp ballasts: Failure of the xenon headlamp ballasts, resulting in dim or inoperative headlights. * Solution: Replacement of the headlamp ballasts * Estimated Cost to Fix: $500 - $1000
• Bose audio system: Intermittent sound quality or loss of audio. * Solution: Replacement of the audio system amplifier or wiring harness * Estimated Cost to Fix: $1000 - $2000

Exterior

• No Issues Found

Interior

• Sunroof motor failure: Failure of the sunroof motor, preventing the sunroof from opening or closing. * Solution: Replacement of the sunroof motor * Estimated Cost to Fix: $1000 - $1500

Summary

The 2008 Audi S5 is a desirable car with a powerful engine and excellent driving dynamics. However, it is not without its issues. The engine can suffer from oil consumption, timing chain tensioner failure, valve stem seal failure, and carbon buildup on the intake valves. The transmission may experience gear grinding (manual), shift flare, and torque converter shudder (automatic). Other potential problems include front suspension strut mount failure, electrical issues with the xenon headlamps and Bose audio system, and sunroof motor failure. While these issues can be costly to repair, they are generally not common and should not deter potential buyers from considering this stylish and powerful sports coupe.