2021 Mazda Cx-30 Safety Report
2021 Mazda CX-30: Excellent crash test scores but notable engine and electrical system concerns.
AI Safety Analysis for the 2021 Mazda Cx-30
Reliability Score
The 2021 Mazda Cx-30 receives a reliability score of 65 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates average reliability — some notable concerns exist that prospective buyers should be aware of.
Known Issues for the 2021 Mazda Cx-30
The following issues have been identified from NHTSA complaint data and owner reports for the 2021 Mazda Cx-30:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Engine Malfunction Light / Rough Running Multiple reports of engine malfunction lights, rough running, and potential wiring harness corrosion, leading to significant repair costs. |
High | Common | 10000-40000 miles |
| Low Engine Oil Warnings Frequent 'LOW ENGINE OIL LEVEL' warnings, often before scheduled maintenance, attributed to valve stem seal issues in some cases. |
High | Common | 5000-30000 miles |
| Battery Drain / Electrical Malfunction Complaints of batteries draining overnight or vehicles failing to start, with dealers unable to consistently diagnose the root cause. |
High | Common | 5000-25000 miles |
| Tire Air Valve Leak Recall issued for potential sudden air leaks from tire air valves, increasing crash risk. |
High | Rare | 0-15000 miles |
| Power Liftgate Lowering Unexpectedly Recall issued for power liftgate potentially lowering unexpectedly when parked uphill, posing an injury risk. |
Medium | Rare | 0-20000 miles |
| I-Activsense Camera Disabling Reports of the I-Activsense camera system disabling, affecting features like cruise control and lane keeping assist, with no warnings. |
Medium | Occasional | 10000-30000 miles |
| Usb/Display Malfunction Intermittent issues with the USB port and main display stopping work, often requiring a system reset. |
Medium | Occasional | 5000-20000 miles |
| Sun Visor Detachment Sun visors not staying retracted due to broken connection points, potentially impairing visibility. |
Low | Occasional | 10000-30000 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 Cx-30:
The most frequently reported component, with issues ranging from malfunction lights and rough running to low oil warnings and potential wiring problems.
Complaints related to visibility, including issues with sun visors and potentially distorted windshields.
Includes problems with USB/display functionality and start key malfunctions, as well as battery drain issues.
Complaints related to braking systems and forward collision avoidance technology.
Issues specifically with the forward collision avoidance system, including camera disabling.
Reports of unintended acceleration or delayed response from the accelerator pedal.
Issues related to the powertrain and engine, potentially including transmission problems.
Complaints regarding seatbelt retractors and seatback fold mechanisms.
Frequently Asked Questions About the 2021 Mazda Cx-30
Is the 2021 Mazda CX-30 safe?
Based on NHTSA data, the 2021 Mazda CX-30 has excellent crash test ratings (5-star overall, frontal, side; 4-star rollover). However, there are a significant number of owner complaints, particularly concerning the engine and electrical systems, and two recalls that address potential safety hazards.
What are common problems with the 2021 Mazda CX-30?
The most reported issues involve the ENGINE, including malfunction lights, rough running, and low oil warnings. Electrical system problems like battery drain and USB/display malfunctions are also common, along with visibility issues.
Are there any recalls for the 2021 Mazda CX-30?
Yes, there are two recalls: one for potential air leaks from tire valves and another for the power liftgate potentially lowering unexpectedly when parked uphill.
How reliable is the 2021 Mazda CX-30?
While crashworthiness is high, the number of complaints related to powertrain and electrical issues suggests potential reliability concerns that may impact long-term ownership experience.
What should I be aware of before buying a used 2021 Mazda CX-30?
Pay close attention to the vehicle's maintenance history, specifically regarding engine oil levels and any electrical system diagnostics. Investigate any reported engine malfunction lights or battery drain issues thoroughly.
Buyer Advice
Our recommendation: While the 2021 Mazda CX-30 offers excellent crash protection, potential buyers should be aware of common engine and electrical system complaints and ensure any pre-owned vehicle has a thorough inspection, particularly for these reported issues.
NHTSA Data Summary for 2021 Mazda Cx-30
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2021 Mazda Cx-30. The data includes 94 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, 9 reported crashes, 13 reported injuries, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2021 Mazda Cx-30 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.