2015 Audi A6 Quattro

Introduction

The 2015 Audi A6 Quattro is a midsize luxury sedan with a powerful engine and a spacious, well-equipped interior. The 3.0T engine produces 333 horsepower and 325 lb-ft of torque, while the 2.0T engine produces 252 horsepower and 273 lb-ft of torque. Both engines are paired with an 8-speed automatic transmission. The A6 Quattro comes standard with all-wheel drive, and it offers a smooth, comfortable ride.

However, some owners have reported issues with the A6 Quattro, including problems with the engine, transmission, suspension, electrical system, exterior, and interior.

Engine

3.0T

• Valve cover gasket oil leak: This issue is caused by a faulty valve cover gasket that allows oil to leak out of the engine. Symptoms include an oily residue on the engine, and low oil levels. The gasket can be replaced for $100-$200.
• Carbon buildup: Carbon deposits can accumulate on the intake valves, reducing performance and fuel economy. Symptoms include rough idling, reduced acceleration, and poor fuel economy. The valves can be cleaned for $300-$500.
• Water pump failure: The water pump can fail, causing the engine to overheat. Symptoms include a high engine temperature gauge, steam coming from the engine bay, and a loss of power. The water pump can be replaced for $500-$700.

2.0T

• Turbocharger failure: The turbocharger can fail, causing a loss of power. Symptoms include a lack of boost, black smoke coming from the exhaust, and a loud noise from the engine. The turbocharger can be replaced for $1,000-$1,500.
• Timing chain tensioner failure: The timing chain tensioner can fail, causing the timing chain to skip. Symptoms include a rattling noise from the engine, and a loss of power. The timing chain tensioner can be replaced for $500-$700.

Transmission

• 8-speed automatic transmission: The 8-speed automatic transmission can experience problems with the clutch packs, torque converter, and valve body. Symptoms include slipping gears, shuddering, and a loss of power. The transmission can be rebuilt or replaced for $2,000-$4,000.

Suspension

• Strut mount bearing failure: The strut mount bearing can fail, causing a clunking noise when driving over bumps. The strut mount bearing can be replaced for $200-$300.
• Control arm bushing failure: The control arm bushings can fail, causing a rattling noise when driving over bumps. The control arm bushings can be replaced for $300-$500.

Electrical

• Battery drain: The battery can drain due to a faulty module or electrical component. Symptoms include a dead battery, and difficulty starting the car. The faulty module or component can be replaced for $500-$1,000.
• Electrical short: An electrical short can occur in the wiring harness, causing various electrical problems. Symptoms include flickering lights, blown fuses, and a loss of power. The electrical short can be repaired for $200-$500.

Exterior

• Headlight condensation: Condensation can form inside the headlights, causing a foggy appearance. The headlights can be replaced for $500-$1,000.
• Paint peeling: The paint can peel off the body panels, especially on the roof and hood. The paint can be repainted for $1,000-$2,000.

Interior

• Dashboard rattle: The dashboard can rattle due to a loose screw or clip. The screw or clip can be tightened or replaced for $100-$200.
• Climate control failure: The climate control system can fail, causing the air conditioner or heater to stop working. The climate control module can be replaced for $500-$1,000.

Summary

The 2015 Audi A6 Quattro is a well-equipped and comfortable sedan, but it is not without its problems. Owners have reported issues with the engine, transmission, suspension, electrical system, exterior, and interior. The severity of the issues varies, and the cost to fix them can be high.