2020 Mazda Cx-30: Reliability Data

Source: NHTSA — 47 complaints
47
Total Complaints
3,950mi
Median Mileage
UNKNOWN OR OTHER
Top Issue
3
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

2,187 25th Percentile
3,950 Median Mileage
5,916 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER
9
SERVICE BRAKES
7
ENGINE
5
FUEL/PROPULSION SYSTEM
5
ELECTRICAL SYSTEM
4
STRUCTURE:BODY
3
POWER TRAIN
3
SUSPENSION
2
SEAT BELTS
2
FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
2

Severity Assessment

3
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"RIGHT HAND SIDE TPMS ARE READING 10 PSI HIGHER THAN ACTUAL PRESSURE IN TIRES. THERE IS NO MANUAL RESET FOR TPMS IN CX30 MODEL. ATTEMPTS TO HAVE TPMS AUTO DETECTED BY DRIVING PER OWNER MANUAL DID NOT FIX INCORRECT HIGH READING FROM TPMS"
"LAST NIGHT, AFTER WE RETURNED HOME, MY WIFE REMOVED A CUP FROM OUR VEHICLE'S CUP HOLDER. SHORTLY THEREAFTER, AN EXTREMELY LOUD SOUND OF STATIC BEGAN TO BE HEARD, EMANATING FROM THE CAR'S SPEAKER SYSTEM. REGARDLESS OF WHAT WE DID THE SOUND WOULD NOT TURN OFF, AND REMAINED ONGOING FOR A PERIOD OF AB..."
"LAST NIGHT, AFTER WE RETURNED HOME, MY WIFE REMOVED A CUP FROM OUR VEHICLE'S CUP HOLDER. SHORTLY THEREAFTER, AN EXTREMELY LOUD SOUND OF STATIC BEGAN TO BE HEARD, EMANATING FROM THE CAR'S SPEAKER SYSTEM. REGARDLESS OF WHAT WE DID THE SOUND WOULD NOT TURN OFF, AND REMAINED ONGOING FOR A PERIOD OF AB..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28