2020 Mazda CX-30 problems and recalls

Owners have filed 33 complaints on the 2020 Mazda CX-30, and NHTSA has issued 3 recalls. The most cited component is the Unknown Or Other (9 complaints).

33
Complaints
3
Recalls
1
Crash reports
0
Fire reports
0
Injuries
48.8
Severity index

Severity index 48.8 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 48.8p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Components cited in complaints

Unknown Or OtherUnknown Or Other: 9 complaints (27.3%)9 27%Service BrakesService Brakes: 7 complaints (21.2%)7 21%Electrical SystemElectrical System: 5 complaints (15.2%)5 15%Fuel/Propulsion SystemFuel/Propulsion System: 5 complaints (15.2%)5 15%EngineEngine: 5 complaints (15.2%)5 15%Power TrainPower Train: 4 complaints (12.1%)4 12%StructureStructure: 3 complaints (9.1%)3 9%Exterior LightingExterior Lighting: 2 complaints (6.1%)2 6%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
UNKNOWN OR OTHER927.3%
SERVICE BRAKES721.2%
ELECTRICAL SYSTEM515.2%
FUEL/PROPULSION SYSTEM515.2%
ENGINE515.2%
POWER TRAIN412.1%
STRUCTURE39.1%
EXTERIOR LIGHTING26.1%

Complaints filed per year

0482020: 82021: 22022: 42023: 32024: 82025: 52026: 3 (partial year)208212223242526
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20208
20212
20224
20233
20248
20255
2026 (year to date)3
Filings in 2023 to 2025 were close to 2020 to 2022 (16 against 14).

Recall campaigns

CampaignReportedComponentSummary
21V08600018/02/2021STRUCTURE:BODY:HATCHBACK/LIFTGATEMazda 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.
20V34600012/06/2020SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPERMazda North American Operations (Mazda) is recalling certain 2020 CX-30 and Mazda3 vehicles. The front brake caliper mounting bolts may not have been tightened properly during assembly, possibly allowing the calipers to loosen.
20V34700012/06/2020FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSMazda North American Operations (Mazda) is recalling certain 2020 CX-30 vehicles equipped with all-wheel drive. The evaporative vent hose for the fuel tank may be disconnected, possibly allowing fuel to leak from the charcoal canister vent at the rear of the vehicle.

Other Mazda CX-30 model years

Severity index for every other model year on file. Compare all 6 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-09-07. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.