2021 Audi A4
2021 Audi A4
Overview
The 2021 Audi A4 is a well-regarded compact luxury sedan, known for its refined interior, engaging driving dynamics, and advanced technology. Reliability for the 2021 model year is generally strong, reflecting Audi’s commitment to quality engineering. Most owners report a positive ownership experience with minimal unexpected issues. Common areas of concern, while not widespread, tend to be minor and often related to specific electronic features or the complex nature of modern turbocharged engines. However, for the most part, the A4 delivers a dependable and premium experience, with proactive maintenance being the key to long-term satisfaction. The available powertrains offer a good balance of performance and efficiency.
Engine
2.0L Turbocharged I4 (190 hp)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
2.0L Turbocharged I4 (261 hp)
Oil Consumption (Early Models)
- Symptoms: Slightly higher than expected oil consumption, potentially requiring more frequent top-offs between scheduled changes.
- Solution: Monitor oil levels regularly. In some cases, software updates or minor component adjustments may be recommended by the dealer.
- Cost: $100 - $300
Transmission
7-Speed S tronic (Dual-Clutch Automatic)
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Suspension
Standard Chassis
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Electrical
Infotainment System
Software Glitches
- Symptoms: Occasional freezing, unresponsiveness, or minor display errors within the MMI infotainment system.
- Solution: Software updates are typically available from Audi dealerships to resolve these issues. A system reset may also help.
- Cost: $0 - $200 (if out of warranty or for advanced diagnostics)
Driver Assistance Systems
Sensor Malfunctions
- Symptoms: Intermittent warnings or deactivation of advanced driver-assistance features (e.g., adaptive cruise control, lane keeping assist) due to sensor obstruction or minor calibration issues.
- Solution: Ensure sensors are clean. Dealer recalibration or sensor cleaning may be required.
- Cost: $150 - $500
Exterior
Body Panels & Lighting
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Interior
Trim & Upholstery
No Major Issues
- Symptoms: No widespread issues reported.
- Solution: No widespread issues reported.
- Cost: N/A
Summary Verdict
The 2021 Audi A4 demonstrates commendable reliability, with most owners experiencing a trouble-free ownership period. The powertrain and core mechanical components are robust. The few reported issues are primarily concentrated in the sophisticated electronic systems, such as the infotainment interface and driver assistance sensors, often manifesting as minor software glitches or requiring sensor recalibration. These are generally addressable through dealer service and software updates. With regular maintenance and attention to potential electronic quirks, the 2021 A4 is a dependable choice in the luxury sedan segment.