2012 Audi A5 Quattro

The 2012 Audi A5 Quattro is a stylish and sporty coupe or convertible, known for its sleek design, refined interior, and engaging driving experience. The most common engine option is the 2.0L turbocharged inline-4, which produces 211 horsepower and 258 lb-ft of torque. A less common but more powerful option is the 3.2L V6. The 2.0T models are generally well-regarded for their fuel efficiency and adequate power, while some owners appreciate the extra power of the V6. Common complaints revolve around potential oil consumption issues with the 2.0T engine, and reliability concerns are present in general. Many owners praise the A5’s aesthetics and handling, but can be frustrated by higher repair costs and the complexity of the vehicle’s systems.

Engine

2.0L Turbocharged Inline-4 (2.0T)

• Excessive Oil Consumption
  • Description/Symptoms: The engine consumes an abnormally large amount of oil between oil changes, requiring frequent top-offs. The oil level warning light may illuminate frequently. This issue is common in older Audi 2.0T engines, including those in the 2012 A5.
  • Solution: In some cases, Audi offered a repair program to replace the piston rings with an updated design to reduce oil consumption, however this program expired. If the issue is severe, engine rebuild with updated piston rings or engine replacement is the most effective solution. Regular monitoring of oil level is essential.
  • Estimated Cost to Fix: $3,000 - $7,000+
  • Recalls: None Found
• Faulty Diverter Valve
  • Description/Symptoms: Loss of boost pressure, reduced engine performance, and potential stalling. A hissing sound may be audible during acceleration.
  • Solution: Replace the diverter valve with an updated revision. Aftermarket options are available.
  • Estimated Cost to Fix: $200 - $500
  • Recalls: None Found
• Timing Chain Tensioner Failure
  • Description/Symptoms: Rattling noise upon startup, especially in cold weather. If left unaddressed, can lead to catastrophic engine failure.
  • Solution: Replace the timing chain, tensioner, and related components with an updated design.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

3.2L V6

• Carbon Buildup on Intake Valves
  • Description/Symptoms: Rough idle, hesitation during acceleration, and reduced fuel economy.
  • Solution: Perform a carbon cleaning service to remove the buildup from the intake valves.
  • Estimated Cost to Fix: $500 - $1,000+
  • Recalls: None Found

Transmission

All Transmissions

• Mechatronic Unit Failure (S-Tronic/DSG Transmission)
  • Description/Symptoms: Erratic shifting, harsh engagement, and potential loss of gear engagement. Warning lights on the dashboard may illuminate. This affects the dual-clutch transmissions.
  • Solution: Replace or rebuild the mechatronic unit.
  • Estimated Cost to Fix: $2,000 - $4,000+
  • Recalls: None Found

Suspension

• Control Arm Bushing Failure
  • Description/Symptoms: Clunking noises from the front suspension, especially when going over bumps. Reduced handling precision.
  • Solution: Replace the worn control arm bushings or the entire control arm assembly.
  • Estimated Cost to Fix: $300 - $800+ per side
  • Recalls: None Found

Electrical

• Faulty Window Regulators
  • Description/Symptoms: Windows failing to operate correctly, making grinding noises, or getting stuck in the open or closed position.
  • Solution: Replace the faulty window regulator.
  • Estimated Cost to Fix: $250 - $500+ per window
  • Recalls: None Found
• Battery Drain Issues
  • Description/Symptoms: The battery drains quickly, especially when the car is not driven regularly. This can lead to difficulty starting the car.
  • Solution: Diagnose the cause of the battery drain. Common causes include faulty modules, aftermarket accessories, or a failing battery.
  • Estimated Cost to Fix: $100 - $500+
  • Recalls: None Found

Exterior

• Headlight Condensation
  • Description/Symptoms: Moisture buildup inside the headlight housings, reducing visibility and potentially damaging the bulbs and electrical components.
  • Solution: Remove the headlights, dry them out, and reseal them. In some cases, headlight replacement is necessary.
  • Estimated Cost to Fix: $100 - $1,000+ (depending on severity and whether replacement is needed)
  • Recalls: None Found

Interior

• Sunroof Issues
  • Description/Symptoms: Sunroof failing to open or close correctly, getting stuck, or making excessive noise.
  • Solution: Inspect and lubricate the sunroof tracks. In some cases, the sunroof motor or mechanism may need to be replaced.
  • Estimated Cost to Fix: $200 - $800+
  • Recalls: None Found

Summary

The 2012 Audi A5 Quattro, while stylish and enjoyable to drive, can present some common issues. The 2.0T engine is prone to oil consumption and timing chain problems, while the S-Tronic transmission can experience Mechatronic unit failures. Suspension components and electrical issues can also arise. The severity of these issues can range from minor inconveniences to costly repairs. Prospective buyers should be aware of these potential problems and have the car thoroughly inspected before purchasing.