2019 Audi S3

2019 Audi S3

Overview

The 2019 Audi S3 is a performance-oriented compact sedan known for its potent powertrain and sophisticated all-wheel-drive system. As a premium vehicle, it generally offers a high level of build quality and technological integration. Reliability data for the 2019 model year indicates a strong performance, with most reported issues being minor or related to specific component failures rather than widespread systemic problems. Owners generally appreciate the driving dynamics and interior comfort, but as with any performance car, maintenance and potential repair costs should be considered. This analysis focuses on documented technical issues beyond routine maintenance.

---

Engine

2.0L Turbocharged TFSI (DAZ/DRZ)

PCV Valve Failure

• Symptoms: Rough idle, check engine light, potential oil leaks.
• Solution: Replacement of the Positive Crankcase Ventilation (PCV) valve assembly.
• Cost: $250 - $500

Water Pump Leaks

• Symptoms: Coolant leaks, overheating, sweet smell from coolant.
• Solution: Replacement of the water pump and thermostat assembly.
• Cost: $600 - $1000

Transmission

6-Speed DSG (S Tronic)

Mechatronics Unit Failure

• Symptoms: Harsh shifting, transmission warning lights, inability to select gears.
• Solution: Repair or replacement of the mechatronics unit.
• Cost: $2000 - $4000

Clutch Pack Wear

• Symptoms: Slipping gears, rough engagement, delayed acceleration.
• Solution: Replacement of the clutch packs.
• Cost: $1500 - $3000

Suspension

Standard Chassis

No Major Issues

• Symptoms: No widespread issues reported.
• Solution: No widespread issues reported.
• Cost: No widespread issues reported.

Electrical

Infotainment System

Software Glitches

• Symptoms: Screen freezing, unresponsiveness, Bluetooth connectivity issues.
• Solution: Software updates or system reset. In some cases, head unit replacement.
• Cost: $100 - $1500

Lighting Control Module

Malfunctioning Lights

• Symptoms: Headlights, taillights, or interior lights not working correctly, dashboard warnings.
• Solution: Replacement of the lighting control module.
• Cost: $300 - $600

Exterior

Body Panels & Trim

No Major Issues

• Symptoms: No widespread issues reported.
• Solution: No widespread issues reported.
• Cost: No widespread issues reported.

Interior

Upholstery & Trim

No Major Issues

• Symptoms: No widespread issues reported.
• Solution: No widespread issues reported.
• Cost: No widespread issues reported.

---

Summary Verdict

The 2019 Audi S3 demonstrates good overall reliability, particularly concerning its core mechanical components like the engine and chassis. The primary areas where owners might encounter issues are the DSG transmission, specifically the mechatronics unit and clutch packs, and certain electrical components like the infotainment system and lighting control module. While the 2.0L turbocharged engine is generally robust, attention should be paid to potential PCV valve and water pump issues. These are not necessarily indicative of a poorly built car, but rather common points of concern for performance vehicles of this era. Proactive maintenance and addressing early symptoms can mitigate more significant repair costs.