2020 Mazda Mazda3 Safety Report

2020 Mazda3: Excellent crash test scores, but significant concerns with false automatic emergency braking activations and two safety recalls.

31Complaints
2Recalls
★★★★★Safety Rating
70/100Reliability Score
Most reported components: Forward Collision Avoidance (12)Service Brakes,Forward Collision Avoidance (2)Tires (1)Power Train (1)Suspension (1)Steering,Suspension (1)Equipment (1)Seat Belts (1)Electrical System,Exterior Lighting,Lane Departure (1)Unknown Or Other,Visibility/Wiper (1)

AI Safety Analysis for the 2020 Mazda Mazda3

The 2020 Mazda Mazda3 presents a strong overall safety picture based on NHTSA's crash test ratings, achieving a perfect 5-star rating in Overall, Frontal, Side, and Rollover categories. This indicates excellent performance in simulated crash scenarios. However, the vehicle's real-world safety is somewhat tempered by a notable pattern of complaints, particularly concerning its advanced driver-assistance systems. Out of 31 total complaints, a significant 12 (approximately 39%) are related to 'FORWARD COLLISION AVOIDANCE', with many describing false activations of the Smart Brake System (SBS) leading to unexpected braking. This issue is also reflected in one of the two recalls issued for this model. The recall history highlights two critical safety concerns. The first recall addresses potentially improperly tightened front brake caliper mounting bolts, which could reduce braking performance or interfere with wheel rotation. The second recall directly targets the 'FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING' system, acknowledging that the SBS can falsely detect obstacles and activate emergency braking, increasing the risk of a crash. These recalls align with the most frequent complaint category, suggesting a known and addressed, though still reported, problem. Beyond the forward collision avoidance system, other reported issues, though less frequent, include problems with the power train (specifically a torque converter failure at low mileage), suspension corrosion, and seat belt retraction issues. While the total number of complaints (31) is relatively low, the concentration of issues around the automatic emergency braking system is a significant concern that potential buyers should be aware of, despite the vehicle's excellent crash test performance. No crashes, fires, injuries, or deaths have been reported in connection with these complaints.

Reliability Score

The 2020 Mazda Mazda3 receives a reliability score of 70 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 2020 Mazda Mazda3

The following issues have been identified from NHTSA complaint data and owner reports for the 2020 Mazda Mazda3:

IssueSeverityFrequencyTypical Mileage
False Automatic Emergency Braking (Sbs)
The Smart Brake System (SBS) can falsely detect obstacles, leading to unexpected and abrupt braking while driving, increasing crash risk. This is the most common complaint and subject to a recall.		 High Common all miles
Front Brake Caliper Mounting Bolts
Front brake caliper mounting bolts may not have been tightened properly during assembly, potentially reducing braking performance or interfering with wheel rotation. Subject to a recall.		 High Occasional all miles
Torque Converter Failure
Chirping sound when shifting from 3rd to 4th gear, leading to torque converter replacement at relatively low mileage.		 High Rare 30000-40000 miles
Suspension Corrosion/Noise
Front suspension bolts corroding and making metal-on-metal sounds during turning and braking.		 Medium Rare all miles
Passenger Seat Belt Retraction Failure
Passenger seat belt fails to retract and remains in a locked state.		 Medium Rare all miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2020 Mazda Mazda3:

Forward Collision Avoidance 38% of complaints

Frequent false activations of the Smart Brake System (SBS) causing unexpected emergency braking, often without an actual obstacle present. This is the most reported issue.

Service Brakes, Hydraulic 6% of complaints

Issues related to brake caliper mounting bolts and unexpected braking events, sometimes linked to the forward collision avoidance system.

Power Train 3% of complaints

One complaint specifically mentions a torque converter failure at low mileage.

Suspension 3% of complaints

Reports of corroded suspension bolts leading to noise.

Seat Belts 3% of complaints

One complaint regarding a passenger seat belt failing to retract.

Frequently Asked Questions About the 2020 Mazda Mazda3

Is the 2020 Mazda Mazda3 safe?

Based on NHTSA data, the 2020 Mazda3 received a perfect 5-star overall safety rating, indicating excellent crash test performance. However, there are significant concerns regarding its Forward Collision Avoidance system, which has led to numerous complaints about false emergency braking and a related recall. While structurally safe, the reliability of its active safety features is a point of concern.

What are common problems with the 2020 Mazda Mazda3?

The most reported issues for the 2020 Mazda3 revolve around the Forward Collision Avoidance system, specifically the Smart Brake System (SBS) falsely activating and causing unexpected braking. This accounts for nearly 39% of all complaints. Other less frequent problems include issues with brake caliper bolts (subject to recall), torque converter failure, and suspension corrosion.

Are there any recalls for the 2020 Mazda Mazda3?

Yes, the 2020 Mazda Mazda3 has two recalls. One addresses potentially improperly tightened front brake caliper mounting bolts, which could affect braking performance. The second recall is for the Forward Collision Avoidance system, where the Smart Brake System (SBS) can falsely detect obstacles and activate automatic emergency braking.

How does the 2020 Mazda3 perform in crash tests?

The 2020 Mazda3 performs exceptionally well in crash tests, earning a 5-star rating in every NHTSA category: Overall, Frontal Crash, Side Crash, and Rollover. This indicates a high level of occupant protection in the event of a collision.

Should I be concerned about the automatic emergency braking system?

Yes, you should be aware of the concerns regarding the automatic emergency braking system (Smart Brake System or SBS). It is the most frequently complained about component and is subject to a recall due to false activations. While Mazda has issued a recall, some complaints still describe this issue, suggesting it's a persistent problem for some owners. It's advisable to ensure any recall remedies have been applied if considering this vehicle.

Buyer Advice

Our recommendation: While the 2020 Mazda3 boasts excellent crash test ratings, potential buyers should prioritize verifying that all recall remedies, especially for the Smart Brake System and brake caliper bolts, have been completed to mitigate known safety concerns.

NHTSA Data Summary for 2020 Mazda Mazda3

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2020 Mazda Mazda3. The data includes 31 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2020 Mazda Mazda3 an overall safety rating of 5 out of 5 stars, with a frontal crash rating of 5 stars, a side crash rating of 5 stars, and a rollover rating of 5 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.

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.