2018 Audi S3

Introduction:

The 2018 Audi S3 is a high-performance compact sedan known for its sharp handling, powerful engine, and premium interior. It comes with a single engine and transmission option, a 2.0-liter turbocharged inline-four paired with a seven-speed dual-clutch automatic transmission. The engine produces 292 horsepower and 280 lb-ft of torque.

Owners praise the S3’s responsive engine, well-tuned suspension, and luxurious cabin. However, it has received some criticism for its limited rear seat space and relatively high fuel consumption.

Engine

2.0L Turbocharged Inline-Four

• Intake Valve Carbon Buildup: Carbon deposits accumulate on intake valves over time, reducing engine power and causing rough idle. Solution: Cleaning intake valves. Estimated Cost to Fix: $350 - $600+
• Timing Chain Tensioner Failure: A faulty timing chain tensioner can cause the timing chain to skip or break, leading to catastrophic engine damage. Solution: Replacing timing chain tensioner assembly. Estimated Cost to Fix: $1,500 - $2,500+
• Turbocharger Wastegate Actuator Malfunction: A faulty wastegate actuator can prevent the turbocharger from operating properly, resulting in reduced engine power. Solution: Replacing wastegate actuator. Estimated Cost to Fix: $500 - $1,000+

Transmission

Seven-Speed Dual-Clutch Automatic

• Clutch Overheating: Under heavy load or track use, the clutch can overheat, causing slipping and loss of power. Solution: Replacing clutch assembly. Estimated Cost to Fix: $2,000 - $3,000+
• Mechatronic Unit Failure: This electronic control unit can malfunction, causing transmission shifting problems or even complete failure. Solution: Replacing mechatronic unit. Estimated Cost to Fix: $3,000 - $5,000+
• Recalls: NHTSA Recall Number: 19V616000 for Transmission Control Module Software Issues

Suspension

• Front Control Arm Bushing Wear: Premature wear of control arm bushings can lead to imprecise steering and increased tire wear. Solution: Replacing control arm bushings. Estimated Cost to Fix: $200 - $400+ per side

Electrical

• Electrical Control Unit Malfunction: Faulty electrical control units can cause a variety of electrical problems, including power window failures, lighting issues, and even engine starting issues. Solution: Replacing affected electrical control unit. Estimated Cost to Fix: $200 - $1,000+
• Battery Drain: In some cases, the battery can drain prematurely, especially after the vehicle has been parked for an extended period. Solution: Identifying and fixing the source of the electrical drain. Estimated Cost to Fix: Varies depending on the source of the drain
• Recalls: NHTSA Recall Number: 21V119000 for High-Voltage Battery System Issues

Exterior

• Clearcoat Peeling: Early production models may experience premature peeling of the clearcoat on exterior paint. Solution: Repainting or touch-up. Estimated Cost to Fix: $500 - $2,000+

Interior

• Squeaky Dashboard: Some vehicles have reported a persistent squeak coming from the dashboard area. Solution: Identifying and addressing the source of the noise, such as loose fasteners or dashboard panel alignment. Estimated Cost to Fix: $100 - $500+
• Infotainment Screen Lag: In some cases, the infotainment system can experience lag or freezing issues. Solution: Software updates or hardware replacement. Estimated Cost to Fix: $0 - $2,000+ depending on the issue

Summary:

The 2018 Audi S3 is a high-performance vehicle with impressive driving dynamics and a well-appointed interior. However, it has not been immune to a range of issues, primarily related to the engine, transmission, and electrical systems. The severity and cost of these issues vary, but some can be quite costly to repair.