2012 Audi S4

Introduction: The 2012 Audi S4 is a performance-oriented sedan powered by a turbocharged 3.0-liter V6 engine. It is available with a 6-speed manual or a 7-speed automatic transmission. The engine delivers 333 horsepower and 325 lb-ft of torque. The S4 is praised for its responsive handling, luxurious interior, and impressive performance. However, it has also faced some reliability concerns.

Engine

• 3.0L V6 Engine:
  • Timing Chain Tensioner Failure:
    • Description/Symptoms: Loss of engine power, rattling noises, engine warning light
    • Solution: Replace timing chain tensioner
    • Estimated Cost to Fix: $1,000 - $2,000+
    • Recalls: None Found
  • Carbon Buildup:
    • Description/Symptoms: Reduced engine performance, rough idle, hesitation
    • Solution: Clean carbon deposits from intake valves and combustion chamber
    • Estimated Cost to Fix: $500 - $1,200
    • Recalls: None Found

Transmission

• 6-Speed Manual Transmission:
  • No Issues Found
• 7-Speed Automatic Transmission:
  • Mechatronic Valve Body Failure:
    • Description/Symptoms: Transmission shift problems, loss of gears, limp mode
    • Solution: Replace mechatronic valve body
    • Estimated Cost to Fix: $2,000 - $3,000+
    • Recalls: None Found

Suspension

• Front Lower Control Arm Bushings:
  • Description/Symptoms: Clunking noises from front of vehicle, misalignment
  • Solution: Replace control arm bushings
  • Estimated Cost to Fix: $500 - $800
  • Recalls: None Found
• Rear Wheel Bearings:
  • Description/Symptoms: Humming or grinding noises from rear of vehicle
  • Solution: Replace rear wheel bearings
  • Estimated Cost to Fix: $600 - $1,000
  • Recalls: None Found

Electrical

• Electrical Harness Issues:
  • Description/Symptoms: Electrical malfunctions, flickering lights, battery drain
  • Solution: Repair or replace affected wiring harnesses
  • Estimated Cost to Fix: $300 - $1,000+
  • Recalls: None Found
• Battery Discharge:
  • Description/Symptoms: Battery goes dead after extended periods of inactivity
  • Solution: Replace battery, check for parasitic drain
  • Estimated Cost to Fix: $200 - $300
  • Recalls: None Found

Exterior

• No Issues Found

Interior

• Electric Seat Adjustment Failure:
  • Description/Symptoms: Seat does not adjust electrically
  • Solution: Replace seat adjustment motor or control module
  • Estimated Cost to Fix: $500 - $1,200
  • Recalls: None Found
• Sunroof Drain Blockage:
  • Description/Symptoms: Sunroof does not drain properly, causing water leaks
  • Solution: Clean or replace sunroof drains
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found

Summary: The 2012 Audi S4 is a high-performance sedan with some reliability concerns. The engine is prone to timing chain tensioner failure and carbon buildup, while the transmission may experience mechatronic valve body failure. The suspension can have issues with control arm bushings and wheel bearings. Electrical problems include harness issues and battery discharge. The interior can also face electric seat adjustment failure and sunroof drain blockage. The severity and cost of these issues vary, but some repairs can be expensive.