2021 Mazda Cx-30 Safety Report
2021 MAZDA CX-30 Safety Report
Safety Decision Cockpit for the 2021 Mazda Cx-30
This page is the hub for deciding what to inspect next on the 2021 Mazda Cx-30. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | Moderate (2) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Moderate (94) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 9 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Engine | Compare engine issues across vehicles. |
2021 Mazda Cx-30 Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2021 Mazda Cx-30, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Engine
34 owner complaints mention this component in the current safety profile.
All Engine issues Mazda onlyVisibility/Wiper
8 owner complaints mention this component in the current safety profile.
All Visibility/Wiper issues Mazda onlyUnknown Or Other
5 owner complaints mention this component in the current safety profile.
All Unknown Or Other issues Mazda onlyElectrical System
4 owner complaints mention this component in the current safety profile.
All Electrical System issues Mazda onlyService Brakes,Forward Collision Avoidance
3 owner complaints mention this component in the current safety profile.
All Service Brakes,Forward Collision Avoidance issues Mazda onlyForward Collision Avoidance
3 owner complaints mention this component in the current safety profile.
All Forward Collision Avoidance issues Mazda onlyAI Safety Analysis for the 2021 Mazda Cx-30
Reliability Score
The 2021 Mazda Cx-30 receives a reliability score of 85 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.
NHTSA Safety Ratings for the 2021 Mazda Cx-30
The National Highway Traffic Safety Administration (NHTSA) evaluates vehicles through controlled crash tests and assigns star ratings from 1 to 5, with 5 being the safest.
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 Engine malfunction lights and rough running engine have been reported, often due to corroded wiring harnesses. |
Medium | Common | 30k-60k miles |
| Driver Seatbelt Retractor Failure Driver seatbelt retractor failure can compromise safety, as the pretensioner will not function. |
High | Common | 30k-60k miles |
| Interior Rear Mirror Loosening Interior rear mirror loosening can affect rear visibility and safety. |
Medium | Common | 30k-60k miles |
| Rear Hatch Loud Bang Loud banging upon opening the rear hatch can be a nuisance but is not a safety concern. |
Low | Occasional | 30k-60k 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:
Engine malfunction and rough running are common issues.
Issues with the electrical system, including USB and display problems, are frequent.
Driver seatbelt retractors have failed in some vehicles.
Loud banging upon opening the rear hatch has been reported.
Frequently Asked Questions About the 2021 Mazda Cx-30
Has the 2021 MAZDA CX-30 been recalled?
Yes, the 2021 MAZDA CX-30 has 2 recalls on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.
How many complaints does the 2021 MAZDA CX-30 have?
The 2021 MAZDA CX-30 has 94 complaints filed with NHTSA. Of these, 9 involved crashes. 13 injuries and 0 deaths have been reported.
What is the safety rating for the 2021 MAZDA CX-30?
The 2021 MAZDA CX-30 received an overall NHTSA safety rating of excellent (5/5). Frontal crash: 5/5. Side crash: 5/5. Rollover: 4/5.
What are the most common problems with the 2021 MAZDA CX-30?
The most commonly reported problems with the 2021 MAZDA CX-30 involve engine (34 complaints), visibility/wiper (8 complaints), unknown or other (5 complaints). Other affected components include electrical system, service brakes,forward collision avoidance, forward collision avoidance.
How many crash reports does the 2021 MAZDA CX-30 have?
There are 9 crash reports associated with the 2021 MAZDA CX-30 out of 94 total complaints (9.6% of complaints involved crashes).
How many fire reports does the 2021 MAZDA CX-30 have?
There are no fire reports for the 2021 MAZDA CX-30 in the NHTSA database.
Are there any deaths reported for the 2021 MAZDA CX-30?
No deaths have been reported in NHTSA complaints for the 2021 MAZDA CX-30.
How many injuries are reported for the 2021 MAZDA CX-30?
13 injuries have been reported in NHTSA complaints for the 2021 MAZDA CX-30. These are self-reported by vehicle owners as part of their safety complaints.
Should I buy a 2021 MAZDA CX-30?
Based on NHTSA data, the 2021 MAZDA CX-30 is acceptable with caveats. It has 94 complaints, 2 recalls, and a excellent (5/5) safety rating. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2021 MAZDA CX-30?
The components with the most failures on the 2021 MAZDA CX-30 are: 1. ENGINE (34 complaints), 2. VISIBILITY/WIPER (8 complaints), 3. UNKNOWN OR OTHER (5 complaints), 4. ELECTRICAL SYSTEM (4 complaints), 5. SERVICE BRAKES,FORWARD COLLISION AVOIDANCE (3 complaints). ENGINE is the single most-reported problem area with 34 complaints.
What should I know before buying a 2021 MAZDA CX-30?
Be aware of potential engine and electrical system issues, and check for recalls related to tire valves and body structure. The 2021 MAZDA CX-30 has 94 NHTSA complaints and 2 recalls on record. NHTSA rates it excellent (5/5).
How reliable is the 2021 MAZDA CX-30?
The 2021 MAZDA CX-30 receives a reliability score of 85/100, indicating above-average reliability. This is based on 94 owner complaints, 2 recalls, and 9 crash/fire reports in the NHTSA database. Key known issues include Engine Malfunction and Driver Seatbelt Retractor Failure.
What are the known issues with the 2021 MAZDA CX-30?
Known issues with the 2021 MAZDA CX-30 include: Engine Malfunction, Driver Seatbelt Retractor Failure, Interior Rear Mirror Loosening, Rear Hatch Loud Bang. These are based on patterns found across 94 NHTSA complaints. 2 of these patterns resulted in formal recalls.
What are the most common electrical system issues?
Issues include USB or display stoppage and occasional engine malfunction lights.
Are there any recalls for the 2021 Mazda CX-30?
Yes, there are recalls for tire valve and body structure issues.
Can the driver seatbelt retractor fail?
Yes, the driver seatbelt retractor has failed in some vehicles, compromising safety.
Buyer Advice
Our recommendation: Be aware of potential engine and electrical system issues, and check for recalls related to tire valves and body structure.
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.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-16