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2021 Mazda CX-30: Complaints, Recalls & Known Issues

What the public record actually says about the 2021 Mazda CX-30 — every figure below is a NHTSA or EPA number, not an opinion.

The read

Middle-of-the-pack complaint volume for SUV.

Owners filed 99 NHTSA complaints — more complaints than 61% of 2021 SUVs. Engine leads the reports (37%). 2 safety recall campaigns on record — check the VIN and remedy terms with a dealer.

Based on NHTSA complaint volume against 2021 SUVs, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.

Complaints filed

99

Reports to NHTSA, 2021

Safety recalls

2

NHTSA campaigns on record

NHTSA crash test

Overall NCAP rating

Combined MPG

No data

EPA estimate

Complaint volume vs. segment peers

More complaints than 61% of 2021 SUVs

The bar is this car's percentile among 2021 SUVs by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.

Known issues

Engine issues lead owner complaints (37% of 99 reports), followed by electrical system (9%).

Engine37% · 37 reports
Electrical System9% · 9 reports
Visibility/Wiper9% · 9 reports
Power Train8% · 8 reports
Service Brakes8% · 8 reports
Unknown Or Other7% · 7 reports
Vehicle Speed Control5% · 5 reports
Air Bags3% · 3 reports

+ 10 more component categories with fewer reports.

Share of all 99 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11748372, ODI 11589759, ODI 11576461, ODI 11566456, ODI 11556421.

Recalls(2)

Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.

Structure · 21V086000Details +

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.

Risk: If the power liftgate unexpectedly lowers while a person is accessing the rear storage area of the vehicle, it can increase their risk of injury.

Remedy: Mazda will notify owners, and dealers will update the power liftgate control module software and inspect the serial number of the power liftgate drive unit, replacing it if necessary, free of charge. The recall began April 8, 2021. Owners may contact Mazda customer service at 1-800-222-5500 option 4. Mazda's number for this recall is 4621B.

Tires · 21V101000Details +

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

Risk: A sudden air leak from the tire air valve may cause a loss of vehicle control while driving, increasing the risk of a crash.

Remedy: Mazda will notify owners, and dealers will replace all four tire air valves with new parts, free of charge. The recall began April 6, 2021. Owners may contact Mazda customer service at 1-800-222-5500 Option 4. Mazda's number for this recall is 4721B.

A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.

Investigations

0 NHTSA investigations on record

No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.

Crash-test ratings

2021 Mazda CX-30 SUV FWD NHTSA source

Overall
Frontal
Side
Rollover

2021 Mazda CX-30 SUV AWD NHTSA source

Overall
Frontal
Side
Rollover

Source: NHTSA New Car Assessment Program (NCAP).

Fuel economy by trim

No EPA fuel-economy record is available for this model year. Some trims and older vehicles were not tested or are not in the current EPA feed.

Before you buy

Useful next checks

Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.

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Compare model years

"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.

2021 Mazda CX-30: frequently asked

What does the complaint record show for the 2021 Mazda CX-30?

Owners filed 99 NHTSA complaints about the 2021 Mazda CX-30 — more complaints than 61% of comparable 2021 SUVs, so it sits toward the weaker end of its class. That's a signal, not a guarantee about any single car.

What are the most common problems on the 2021 Mazda CX-30?

The most-reported problem areas are Engine (37% of complaints) and electrical system (9%).

How many recalls does the 2021 Mazda CX-30 have?

2 recalls have been issued that affect the 2021 Mazda CX-30, covering components such as structure. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.

What gas mileage does the 2021 Mazda CX-30 get?

EPA fuel-economy figures for the 2021 Mazda CX-30 aren't available yet.