2021 Mazda CX-30 Problems

High Complaint Volume

Real NHTSA owner complaints for the 2021 Mazda CX-30. Part of Generation 1 — 2020–present.

20202022
Complaints
127
Crashes
12
Fires
0
Injuries
14
Fatalities
Recalls
2

Worst 2021 Mazda CX-30 Problems

Top 3 most-reported issues with average mileage at failure.

#147 complaints

Engine Problems

Avg mileage:18,072 mi
#213 complaints

Electrical Faults

Avg mileage:11,380 mi
#38 complaints

Wipers & Visibility

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All Problems by Category

Every NHTSA complaint category for the 2021 Mazda CX-30.

Engine Problems
47
complaints
Crashes
Fires
Avg Miles
18,072
Electrical Faults
13
complaints
Crashes
Fires
Avg Miles
11,380
Wipers & Visibility
8
complaints
Crashes
Fires
Avg Miles
Transmission / Drivetrain
7
complaints
Crashes
Fires
Avg Miles
Unintended Acceleration
7
complaints
Crashes
2
Fires
Avg Miles
39,000
Brakes
5
complaints
Crashes
2
Fires
Avg Miles
Forward Collision Avoidance: Automatic Emergency Braking
4
complaints
Crashes
1
Fires
Avg Miles
Forward Collision Avoidance: Adaptive Cruise Control
3
complaints
Crashes
1
Fires
Avg Miles
Forward Collision Avoidance: Warnings
3
complaints
Crashes
1
Fires
Avg Miles
Fuel System
3
complaints
Crashes
Fires
Avg Miles
Airbags
2
complaints
Crashes
2
Fires
Avg Miles
Seat-Related Issues
2
complaints
Crashes
Fires
Avg Miles
Hydraulic Brakes
2
complaints
Crashes
1
Fires
Avg Miles
Headlight/Taillight Failures
1
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Dynamic Brake Support/Brake Assist
1
complaints
Crashes
Fires
Avg Miles
Lane Departure: Assist
1
complaints
Crashes
Fires
Avg Miles
Lane Departure: Warning
1
complaints
Crashes
Fires
Avg Miles
Latches/Locks/Linkages:Hatchback/Liftgate:Lock
1
complaints
Crashes
Fires
Avg Miles
Seat Belt Issues
1
complaints
Crashes
1
Fires
Avg Miles
Steering Defects
1
complaints
Crashes
Fires
Avg Miles
Body Structure
1
complaints
Crashes
Fires
Avg Miles
Suspension Failures
1
complaints
Crashes
Fires
Avg Miles
Vehicle Speed Control:Accelerator Pedal
1
complaints
Crashes
1
Fires
Avg Miles
Visibility:Rearview Mirrors/Devices:Interior
1
complaints
Crashes
Fires
Avg Miles
Wheel Issues
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2021 Mazda CX-30. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2021 Mazda CX-30

2 NHTSA recall campaigns affecting ~14,456 vehicles.

21V101000Tires:valve
~599 affected

Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.

21V086000Structure:body:hatchback/liftgate
~13,857 affected

Mazda North American Operations (Mazda) is recalling certain 2020-2021 CX-30 vehicles. When fully opened, the power liftgate may partially lower unexpectedly when the vehicle is parked facing uphill on a slope.

Other Mazda CX-30 Years

2021 Mazda CX-30 — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2021 Mazda CX-30 reliable?
Verdict: High Complaint Volume. The 2021 Mazda CX-30 has 127 NHTSA complaints, 12 crash-related, and 2 recall campaigns. The most common issue is Engine Problems with 47 complaints. Source: NHTSA via VinItel.
What are common problems with the 2021 Mazda CX-30?
Top reported problems: Engine Problems (47 complaints, avg 18,072 mi); Electrical Faults (13 complaints, avg 11,380 mi); Wipers & Visibility (8 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2021 Mazda CX-30?
The weighted average mileage at time of complaint is about 18,960 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2021 Mazda CX-30?
NHTSA complaints for the 2021 Mazda CX-30 include 12 crash-related reports, 0 fire reports, 14 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2021 Mazda CX-30 have any recalls?
Yes — 2 NHTSA recall campaigns affecting an estimated 14,456 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2021 Mazda CX-30?
This year has a higher-than-normal complaint volume. It's not an automatic no, but focus inspection on the top reported issue (engine problems) and verify open recalls have been addressed.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Mazda CX-30 reliability report with year-by-year comparison and generation analysis.

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