NHTSA's file on the 2021 Mazda CX-30 holds 101 complaints after 6 years, a rate of 23 per year. That is the most complaints per year among the 5 CX-30 years on this site. NHTSA has 2 recalls on file, including Valve and Liftgate.
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23
2
6
The complaints owners file most often name Engine (49 of 101), then Electrical system (14) and Forward collision avoidance (12). Those filings include 10 that report a crash and 7 that report an injury.
The 2020 CX-30 has 33 complaints, 5 per year, and the 2022 has 33 complaints, 7 per year. The 2021 has more complaints per year than the 2020. The 2021 has more complaints per year than the 2022.
The complaint rate is complaints filed in this year’s first 3 years on the road, divided by however many of those years have passed. Recalls are a separate count. The numbers are for the US-market 2021 Mazda CX-30. How we count. Data as of .
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0
7
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"For the past 2 years there has been a severe parasitic battery drain issue that drains that battery partially or in some cases completely ruins new batteries. Car has spent a cumulative total of 3 months with a dealer…"
"The climate control system suffered a sudden, complete failure due to an engineering defect documented in Mazda Technical Service Bulletin (TSB) ID: MC-10203760-0001. The factory evaporator core leaked refrigerant…"
"Excessive oil consumption. Regularly have a low oil warning come up about 6000 kms after an oil change. Oil is always low when checked."
"The vehicle experienced a premature internal A/C failure, resulting in a total loss of climate control refrigerant. Because the A/C system failed, the vehicle's windshield defroster completely stopped removing humidity…"
"On June 3rd, 2026, about 1:15 PM, I braked in the rain because there was a stopped car in front of me. The brakes did not work; the Automatic Emergency brakes did not work; the Forward Collision Warning did not work and…"
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2021 Mazda CX-30 SUV AWD | 5 stars | 5 stars | 5 stars | 4 stars |
| 2021 Mazda CX-30 SUV FWD | 5 stars | 5 stars | 5 stars | 4 stars |
Stars are how this vehicle did in NHTSA crash tests. They are a safety result, separate from the complaint record. Not rated means that test was not run for this version.
| Trim | Engine | Transmission | Drive | City | Hwy | Combined | Annual fuel cost |
|---|---|---|---|---|---|---|---|
| CX-30 two-wheel drive | 2.5L, 4-cyl | Automatic (6-speed) | Front-wheel drive | 25 | 33 | 28 MPG | $2300 |
| CX-30 two-wheel drive | 2.5L, 4-cyl | Automatic (6-speed) | Front-wheel drive | 25 | 33 | 28 MPG | $2300 |
| CX-30 four-wheel drive | 2.5L, 4-cyl | Automatic (6-speed) | Four-wheel drive | 24 | 31 | 26 MPG | $2500 |
| CX-30 four-wheel drive | 2.5L, 4-cyl | Automatic (6-speed) | Four-wheel drive | 24 | 31 | 26 MPG | $2500 |
| CX-30 four-wheel drive | 2.5L, 4-cyl | Automatic (6-speed) | Four-wheel drive | 22 | 30 | 25 MPG | $2600 |
NHTSA safety recall 24V649000 covers affected vehicles after the agency found that mazda North American Operations (Mazda) is recalling certain 2024 Mazda 3, CX-30, and 2025 CX-50 vehicles. A malfunction in the forward sensing camera (FSC) may prevent the automatic emergency braking system and the lane-keep assist system from functioning. In addition, the headlights will not automatically adjust from high beams to low beams as intended. Automatic braking, steering assist, and headlight control systems that do not function as intended can increase the risk of a crash. Remedy: Dealers will inspect and replace the forward sensing camera as necessary, free of charge. Owner notification letters were mailed September 24, 2024. Owners may contact Mazda customer service at 1-800-222-5500, Option 6. Mazda's number for this recall is 6824H.
NHTSA's file on the 2021 Mazda CX-30 holds 101 complaints after 6 years, a rate of 23 per year. That is the most complaints per year among the 5 CX-30 years on this site. NHTSA has 2 recalls on file, including Valve and Liftgate.
The complaints owners file most often name Engine (49 of 101), then Electrical system (14) and Forward collision avoidance (12). Those filings include 10 that report a crash and 7 that report an injury.
The 2020 CX-30 has 33 complaints, 5 per year, and the 2022 has 33 complaints, 7 per year. The 2021 has more complaints per year than the 2020. The 2021 has more complaints per year than the 2022.
The 2021 Mazda CX-30 has 2 recalls on file with NHTSA. See the recalls table on this page for dates, components, and remedies.
Owners have filed 101 complaints about the 2021 Mazda CX-30 with NHTSA.
EPA-rated combined fuel economy for the 2021 Mazda CX-30 is 26.6 MPG. See the fuel economy table on this page for city and highway figures by engine and transmission.
Gasoline SKYACTIV-G 2.5 US models commonly use SAE 0W-20 (about 4.8 qt with filter); use 5W-30 where the manual specifies.
It covers certain 2024 CX-30 vehicles (with certain Mazda3 and 2025 CX-50 also listed) for a malfunction described in the campaign; dealers apply the published remedy.
1st generation, model year 2020 onward in the US.
