2021 Audi S4 Safety Report

2021 Audi S4 shows minimal direct complaints but has 4 significant safety recalls.

2Complaints
4Recalls
75/100Reliability Score
Most reported components: Electrical System (1)Unknown Or Other (1)

AI Safety Analysis for the 2021 Audi S4

The 2021 Audi S4 presents a relatively clean slate in terms of direct consumer complaints to NHTSA, with only 2 total complaints, and no reported crashes, fires, injuries, or deaths. This low complaint volume suggests that major widespread safety issues are not prevalent. However, the vehicle has been subject to 4 safety recalls, which address potentially serious safety defects. These recalls cover issues ranging from a blank rearview camera display (increasing crash risk) to rear axle misalignment and broken lock nuts (leading to loss of control), and unsecured child restraint systems due to faulty seat belt retractors. While the NHTSA crash test ratings are largely unavailable for this specific model year, it did receive a 5-star rollover rating, which is the highest possible. The recalls indicate proactive measures by the manufacturer to correct identified safety risks, despite the low number of consumer-initiated complaints.

Reliability Score

The 2021 Audi S4 receives a reliability score of 75 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates above-average reliability relative to comparable vehicles.

Known Issues for the 2021 Audi S4

The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Audi S4:

IssueSeverityFrequencyTypical Mileage
Rearview Camera Display Malfunction
Recall 22V-742 addresses a blank rearview camera display, which can reduce rear visibility and increase crash risk.		 High Occasional N/A miles
Rear Axle Misalignment/Tire Wear
Recall 21V-936 and 21V-937 (related to suspension) indicate potential rear axle misalignment or a broken lock nut, which can cause premature tire wear or loss of control, increasing crash risk.		 High Occasional N/A miles
Child Restraint System Insecurity
Recall 21V-938 addresses a faulty rear seat belt retractor that may not properly secure a child restraint system, increasing injury risk during a crash.		 High Occasional N/A miles
Loss Of Automotive Power / Drive System Malfunction
One complaint describes a loss of automotive power and a 'Drive System Malfunction' message, indicating a potential engine or electrical system issue.		 Medium Rare N/A miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Audi S4:

Electrical System 50% of complaints

One of the two complaints mentions a 'Drive System Malfunction' and check engine light, potentially related to the electrical system.

Unknown Or Other 50% of complaints

One complaint is categorized as 'UNKNOWN OR OTHER', specifically regarding dissatisfaction with recall service procedures.

Frequently Asked Questions About the 2021 Audi S4

Is the 2021 Audi S4 safe?

Based on NHTSA data, the 2021 Audi S4 has a very low number of direct consumer complaints (2 total) with no reported crashes or injuries. However, it has been subject to 4 safety recalls addressing significant issues like rearview camera malfunction, rear axle problems, and seat belt retractors. While its rollover rating is 5 stars, other crash test ratings are not available. The recalls indicate potential safety risks that the manufacturer is addressing.

What are common problems with the 2021 Audi S4?

The most reported issues in the limited NHTSA complaint data are related to the ELECTRICAL SYSTEM (50% of complaints, one instance of 'Drive System Malfunction') and general dissatisfaction with recall service procedures (50% of complaints). However, the low complaint volume means these are not necessarily widespread common problems.

What recalls affect the 2021 Audi S4?

The 2021 Audi S4 has 4 recalls: 22V-742 for BACK OVER PREVENTION:DISPLAY FUNCTION (blank rearview camera), 21V-936 for TIRES (rear axle misalignment), 21V-938 for SEAT BELTS:REAR/OTHER:RETRACTOR (unsecured child restraint), and 21V-937 for SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY (broken lock nut leading to loss of control).

How does the 2021 Audi S4 perform in crash tests?

NHTSA provides a 5-star rollover rating for the 2021 Audi S4, which is the highest possible. However, overall, frontal, and side crash test ratings are not available for this specific model year.

Buyer Advice

Our recommendation: Given the low complaint volume but multiple significant recalls, ensure all recall remedies have been performed by a dealership before purchasing, and consider an independent pre-purchase inspection.

NHTSA Data Summary for 2021 Audi S4

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Audi S4. The data includes 2 consumer complaints filed by vehicle owners, 4 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.

All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.

Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.