2016 Mazda Cx-9 Safety Report

2016 Mazda CX-9 plagued by widespread engine coolant leaks and cylinder head failures, no recalls issued.

99Complaints
0Recalls
35/100Reliability Score
3Crash Reports
1Fire Reports
3Injuries
Most reported components: Engine (46)Service Brakes (5)Electrical System (4)Power Train,Engine (4)Fuel/Propulsion System (3)Engine And Engine Cooling (2)Electrical System,Seats (2)Vehicle Speed Control,Engine,Fuel/Propulsion System (2)Power Train (2)Wheels (2)

AI Safety Analysis for the 2016 Mazda Cx-9

The 2016 Mazda CX-9 exhibits a concerning safety profile, primarily due to a high volume of engine-related complaints. Out of 99 total complaints, a significant 46 (46.5%) are attributed to the ENGINE component, with many specifically detailing catastrophic coolant leaks from cracked cylinder heads, often leading to engine failure or replacement. These issues frequently manifest around the 80,000-90,000 mile range, posing a substantial risk of sudden vehicle breakdown and potential for overheating, as evidenced by 3 reported crashes and 3 injuries. While there are no official NHTSA safety ratings available for this specific model year, the prevalence of severe engine problems suggests a critical reliability flaw that could compromise vehicle control and occupant safety. Beyond the dominant engine issues, other components like SERVICE BRAKES (5 complaints) and ELECTRICAL SYSTEM (4 complaints) also show up, though at much lower frequencies. One notable incident involved a seat warmer catching fire, resulting in a burn hole, indicating a potential fire risk within the electrical system, which is further supported by one reported fire incident. The absence of any recalls for the 2016 Mazda CX-9, despite numerous complaints detailing a known issue with cylinder head cracking and coolant leaks, is particularly concerning, as it leaves owners to bear the burden of expensive repairs for a widespread defect. The overall safety picture is therefore mixed; while direct crash test data is unavailable, the high incidence of critical engine failures presents a significant safety hazard. The vehicle's propensity for sudden engine overheating and stalling due to coolant loss could lead to dangerous situations on the road. The lack of manufacturer action via recalls for a seemingly common and severe defect further exacerbates the safety concerns for current and prospective owners.

Reliability Score

The 2016 Mazda Cx-9 receives a reliability score of 35 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates below-average reliability. Significant issues have been reported by owners and should be carefully evaluated before purchase.

Known Issues for the 2016 Mazda Cx-9

The following issues have been identified from NHTSA complaint data and owner reports for the 2016 Mazda Cx-9:

IssueSeverityFrequencyTypical Mileage
Cracked Cylinder Head/Coolant Leak
Numerous reports of cylinder heads cracking, leading to significant coolant leaks, engine overheating, and often requiring expensive engine replacement or repair. This issue is frequently cited as a known problem by dealerships but lacks a recall.		 High Common 80000-100000 miles
Engine Overheating/Failure
Directly related to coolant leaks, many owners report sudden engine overheating, stalling, and complete engine failure while driving, posing a significant safety risk.		 High Common 80000-100000 miles
Electrical System Malfunctions
Reports include dashboard warning lights illuminating simultaneously, vehicle stuttering, shutting off while driving, and issues with ignition button functionality.		 Medium Occasional variable miles
Seat Warmer Fire
At least one complaint details a seat warmer catching fire and burning a hole through the seat, indicating a potential fire hazard.		 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 2016 Mazda Cx-9:

Engine 46% of complaints

The most prevalent issue, with 46 complaints, is related to engine problems, specifically coolant leaks from cracked cylinder heads leading to overheating and failure.

Service Brakes 5% of complaints

Five complaints relate to service brake issues, though specific patterns are less clear than engine problems.

Electrical System 4% of complaints

Four complaints point to electrical system malfunctions, including dashboard warnings and vehicle stalling.

Power Train,Engine 4% of complaints

Four complaints are jointly attributed to power train and engine issues, likely related to the broader engine problems.

Frequently Asked Questions About the 2016 Mazda Cx-9

Is the 2016 Mazda CX-9 safe?

Based on NHTSA complaint data, the 2016 Mazda CX-9 has significant safety concerns, primarily due to widespread engine failures from cracked cylinder heads and coolant leaks. These issues can lead to sudden overheating and stalling, posing a high risk of breakdown and potential accidents. While official crash test ratings are unavailable, the mechanical reliability issues are a major safety drawback.

What are common problems with the 2016 Mazda CX-9?

The most reported issues for the 2016 Mazda CX-9 revolve around the ENGINE, accounting for 46 out of 99 complaints. Specifically, owners frequently report cracked cylinder heads causing coolant leaks, leading to engine overheating and failure. Other less common problems include electrical system malfunctions and service brake issues.

Has the 2016 Mazda CX-9 been recalled for engine issues?

Despite numerous complaints detailing a common and severe issue with cracked cylinder heads and coolant leaks, the 2016 Mazda CX-9 has had 0 recalls issued by NHTSA. This means owners are currently responsible for addressing these costly and potentially dangerous defects.

What mileage do engine problems typically occur in the 2016 Mazda CX-9?

Based on complaint data, engine problems, particularly coolant leaks and cylinder head issues, frequently manifest around the 80,000 to 100,000-mile range, though some reports indicate issues starting earlier.

Are there any fire risks with the 2016 Mazda CX-9?

Yes, there is at least one reported incident of a seat warmer catching fire and burning a hole through the seat, contributing to the single reported fire incident for this model year. This suggests a potential fire risk within the electrical system.

Buyer Advice

Our recommendation: Prospective buyers should be extremely cautious with the 2016 Mazda CX-9 due to the high prevalence of severe and costly engine failures from cracked cylinder heads; a pre-purchase inspection focusing on the engine and coolant system is essential, and budget for potential major repairs.

NHTSA Data Summary for 2016 Mazda Cx-9

This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2016 Mazda Cx-9. The data includes 99 consumer complaints filed by vehicle owners, 0 manufacturer-initiated safety recalls, 3 reported crashes, 1 fire incidents, 3 reported injuries, 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.