2021 Mazda Mazda6 Safety Report

2021 Mazda Mazda6 excels in crash tests but faces significant owner complaints regarding excessive engine oil consumption.

17Complaints
0Recalls
★★★★★Safety Rating
70/100Reliability Score
Most reported components: Engine (11)Visibility/Wiper (2)Back Over Prevention (1)Unknown Or Other (1)Engine,Fuel/Propulsion System (1)Unknown Or Other,Engine (1)

AI Safety Analysis for the 2021 Mazda Mazda6

The 2021 Mazda Mazda6 presents a strong overall safety picture based on its NHTSA crash test performance, achieving a perfect 5-star overall rating, including 5 stars for frontal and side impacts, and a 4-star rating for rollover. This indicates excellent occupant protection in various collision scenarios. However, despite its strong crash test results, the vehicle has accumulated 17 complaints with NHTSA, none of which involved crashes, fires, injuries, or deaths. A significant pattern among these complaints points to engine-related issues, specifically excessive oil consumption, which accounts for 11 of the 17 complaints. Owners report low oil warnings appearing prematurely between oil changes, often within 1,000 to 3,500 miles, with some attributing this to defective valve stem seals. There are no recalls issued for the 2021 Mazda Mazda6, which means the identified engine oil consumption issue has not yet been deemed a safety defect requiring a manufacturer-initiated recall by NHTSA. Other less frequent complaints include infotainment system malfunctions (rear view camera freezing) and a rare instance of a sunroof exploding.

Reliability Score

The 2021 Mazda Mazda6 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 2021 Mazda Mazda6

The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Mazda Mazda6:

IssueSeverityFrequencyTypical Mileage
Excessive Engine Oil Consumption
Owners report low oil warning lights illuminating prematurely between oil changes, often requiring oil top-offs within 1,000-3,500 miles. This is frequently attributed to faulty valve stem seals.
Medium Common 3500-13700 miles
Infotainment System Malfunction
The rear view camera has been reported to freeze, displaying a still image, which can pose a safety risk during reversing.
Medium Rare unknown miles
Exploding Sunroof
One complaint details a sunroof exploding while driving on the highway without external impact, raising significant safety concerns.
High Rare unknown miles

Common Problems Reported by Owners

Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2021 Mazda Mazda6:

Engine 64% of complaints

The most prevalent issue is excessive oil consumption, leading to low oil warnings between scheduled oil changes, often linked to defective valve stem seals.

Visibility/Wiper 11% of complaints

Complaints include issues with distorted visibility through the OEM windshield and a sunroof exploding.

Back Over Prevention 5% of complaints

One complaint specifically mentions the rear view camera freezing, which impacts back over prevention.

Frequently Asked Questions About the 2021 Mazda Mazda6

Is the 2021 Mazda Mazda6 safe?

Based on NHTSA data, the 2021 Mazda Mazda6 is highly safe in terms of crash protection, earning a perfect 5-star overall safety rating. However, it has 17 owner complaints, primarily concerning engine oil consumption, which, while not linked to crashes or injuries, is a significant reliability concern.

What are common problems with the 2021 Mazda Mazda6?

The most reported issues for the 2021 Mazda Mazda6 revolve around the ENGINE, accounting for 11 out of 17 complaints. Specifically, owners frequently report excessive oil consumption, with low oil warnings appearing prematurely between oil changes. Other less common issues include infotainment system malfunctions (freezing rearview camera) and distorted windshield visibility.

Has the 2021 Mazda Mazda6 been recalled?

No, the 2021 Mazda Mazda6 has not had any recalls issued by NHTSA as of the provided data.

How does the 2021 Mazda Mazda6 perform in crash tests?

The 2021 Mazda Mazda6 performs exceptionally well in NHTSA crash tests, achieving a 5-star overall safety rating. It received 5 stars for both frontal and side crash tests, and a 4-star rating for rollover resistance.

Should I be concerned about engine oil consumption in the 2021 Mazda Mazda6?

Yes, based on the NHTSA complaint data, excessive engine oil consumption is a common and significant concern for the 2021 Mazda Mazda6, with 11 out of 17 complaints related to this issue. Owners report needing to add oil between scheduled changes, often due to suspected faulty valve stem seals. While not directly linked to crashes or injuries in the complaints, it indicates a potential reliability issue that could lead to engine damage if not monitored.

Buyer Advice

Our recommendation: While the 2021 Mazda Mazda6 offers excellent crash safety, potential buyers should be aware of the prevalent engine oil consumption issue reported by owners and consider having the engine's oil levels closely monitored or inspected before purchase.

NHTSA Data Summary for 2021 Mazda Mazda6

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Mazda Mazda6. The data includes 17 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, and safety rating assessments associated with this vehicle.

The NHTSA has assigned the 2021 Mazda Mazda6 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 4 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.