CX-30 (1st)
Reliability Score
Complaints by Engine Code
PY
2.5L 4-cyl / 186 hpView details
Complaint Breakdown
PY Turbo
2.5L 4-cyl Turbo / 227 hpView details
Complaint Breakdown
Show 1 additional engine variant with limited data
Mazda CX-30 Unidentified Engine
View details
Complaint Breakdown
Owner Complaints by System
Complaints owners filed with NHTSA about the Mazda CX-30, counted across every engine. A complaint can name more than one system.
What to check on a used 2020-2025 Mazda CX-30
On a used 2020-2025 Mazda CX-30, the systems with the most NHTSA owner complaints are the engine (68), the airbags and driver-assist systems (56) and the electrical system (46). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.
- Start the engine cold and listen for the first 30 seconds, then again at idle once it is warm.Costly repair. NHTSA has 68 owner complaints on the 2020-2025 Mazda CX-30 about the engine, all engines combined.
- Switch the ignition on and watch the airbag light. On the drive, check the backup camera and any collision or lane warning.Safety. NHTSA has 56 owner complaints on the 2020-2025 Mazda CX-30 about the airbags and driver-assist systems.
- Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 46 owner complaints on the 2020-2025 Mazda CX-30 about the electrical system.
- On an empty road, brake firmly from 40 mph with a light grip on the wheel.Safety. NHTSA has 34 owner complaints on the 2020-2025 Mazda CX-30 about the brakes.
- Accelerate gently through every gear, then once at full throttle. Shift into Reverse and back to Drive.Costly repair. NHTSA has 19 owner complaints on the 2020-2025 Mazda CX-30 about the transmission and drivetrain, all engines combined.
Recalls (7)
Mazda North American Operations is recalling certain 2024-2025 Mazda3 and CX30 vehicles. The Sophisticated Air Bag Sensor (SAS) units may set an error code and deactivate the air bags, due to a low battery condition.
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.
Mazda North American Operations (Mazda) is recalling certain 2022-2023 CX-30 and 2023 CX-50 vehicles. The anti-lock brake system (ABS) Hydraulic Control Unit (HCU) may be damaged, which can result in reduced braking ability.
Mazda North American Operations (Mazda) is recalling certain 2021 Mazda3 and CX-30 vehicles. Air may suddenly leak from the tire air valve.
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.
Show 2 older recalls
Mazda 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.
Mazda 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.
NHTSA Safety Ratings About NHTSA ratings
Alternatives in Subcompact SUV
Frequently Asked Questions
What are the most common 2020-2025 Mazda CX-30 complaints?
Owners have filed 250 complaints with NHTSA about the 2020-2025 Mazda CX-30. The systems they name most often are the engine, the safety systems and the electrical system.
Is the 2020-2025 Mazda CX-30 a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 250 complaints with NHTSA about the 2020-2025 Mazda CX-30. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2020-2025 Mazda CX-30 have?
NHTSA has 250 owner complaints on file for the 2020-2025 Mazda CX-30 as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2020-2025 Mazda CX-30?
NHTSA lists 7 recalls covering some 2020-2025 Mazda CX-30 vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.
What should I check before buying a used Mazda CX-30?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the engine, the safety systems and the electrical system, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.
What are the NHTSA crash test ratings for the CX-30?
The 2025 Mazda CX-30 received an overall 5-star safety rating from NHTSA. Frontal crash: 5 stars. Side crash: 5 stars. Rollover: 4 stars (14.7% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard. Lane Departure Warning: Standard. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 250 complaints analyzed. Data confidence: high. Last updated: 2026-10-12.