Noises/Leaks
Squeaks, rattles, wind noises, seals and/or weather stripping, air and water leaks.
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Reliability
Overall Reliability
The 2020 CX-30 is more reliable than other cars from the same model year.
Most Common Trouble Spots
Common Trouble Spot
Common Trouble Spot
Owner Reported Trouble Spots
The Reliability score is based on our latest subscriber survey of 2020 Mazda CX-30 owners. The owner comments describe problems respondents experienced with this vehicle.
Drive System
Driveshaft or axle, CV joint, differential, transfer case, four-wheel-drive/all-wheel-drive components, driveline vibration, electrical failure, traction control, electronic stability control.
What Owners Say
"See other comment on braking system. Similar issue where warning light came on and the car was limited in driving speed until the dealer reset it. Same result as other comment."
Anonymous, ON (2020 Mazda CX-30 Premium 2.5-L 4 Cyl)Exhaust
Muffler, pipes, catalytic converter, exhaust manifold, heat shields, leaks.
What Owners Say
"Coolant control module has failed twice since purchasing vehicle"
Anonymous, CT (2020 Mazda CX-30 Premium 2.5-L 4 Cyl)Engine Electrical
Alternator, starter, hybrid battery replacement, hybrid battery related systems, regular battery, battery cables, engine harness, coil, ignition switch, electronic ignition, spark plugs and wires failure, auto stop/start.
Fuel System/Emissions
Sensors (O₂, or oxygen, sensor), emission-control devices (includes EGR), fuel-injection system, fuel gauge/sender, fuel pump, problems filling up the tank.
Electrical Accessories
Cruise control, clock, warning lights, body control module, keyless entry, wiper motor or washer, tire pressure monitor, interior or exterior lights, horn, gauges, 12V power plug, USB ports, alarm or security system, remote engine start, heated or cooled seats, heated steering wheel, headlights, automatic headlights, automatic wipers, wireless charging pad.
Climate System
AC compressor, blower (fan) motor, condenser, evaporator, heater system, automatic climate system, electrical failure, refrigerant leakage.
Suspension/Steering
Shocks or struts, ball joints, tie rods, wheel bearings, alignment, steering linkage (includes rack and pinion), power steering (pumps and hoses, leaks), wheel balance, springs or torsion bars, bushings, electronic or air suspension.
Engine Major
Engine rebuild or replacement, cylinder head, head gasket, turbocharger or supercharger, timing chain or belt.
In-car Electronics
Infotainment system (audio, GPS, phone), rear entertainment system, backup or other camera/sensors, head-up display.
Transmission Minor
Gear selector and linkage, transmission computer, transmission sensor or solenoid, clutch adjustment, rough shifting, slipping transmission, leaks.
Engine Minor
Accessory belts and pulleys, engine computer, engine mounts, engine knock or ping, fuel leaks, oil leaks.
Paint/Trim
Paint (fading, chalking, peeling, or cracking), loose interior or exterior trim or moldings, rust.
Engine Cooling
Radiator, cooling fan, water pump, thermostat, antifreeze leaks, overheating.
Brakes
Premature pad/rotor wear, pulsation or vibration, antilock system, parking brake, master cylinder, calipers, squeaking, brake failure, regenerative braking.
Body Hardware
Windows, locks and latches, doors or sliding doors, tailgate, trunk or hatch, mirrors, seat controls (power or manual), seat belts, sunroof, convertible top, glass defect.
Transmission Major
Transmission rebuild or replacement, torque converter, premature clutch replacement.
2020 SUVs Reliability
This Car
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100
Mazda vs. Other New Car Brands Reliability
Overall Reliability Verdict
POTENTIAL TROUBLE SPOTS
Reliability indicates how models have performed in the past, providing the basis for predicting
how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability
information available to consumers. Based on information received from our latest subscriber survey for
about 380,000 vehicles, our reliability history charts give
you a rundown on how 2000 through 2025 vehicles are holding up in 20 potential
trouble spots, ranging from the engine, transmission, electric motor, EV charging, and brakes,
to power equipment and the electrical accessories.
Recalls
PROVIDED BY
STRUCTURE
Feb 18, 2021
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.
Summary:
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.
What should you do:
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.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
21V086000
Potential Number of Units Affected:
13857
FUEL SYSTEM, GASOLINE
Jun 12, 2020
A fuel leak in the presence of an ignition source may increase the risk of a fire. Additionally, the engine may stall while driving, increasing the risk of a crash.
Summary:
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.
What should you do:
Mazda will notify owners, and dealers will inspect the evaporative vent hose in the fuel tank. If the hose is disconnected, it will be reconnected and the charcoal canister with some related parts will be replaced. Repairs will be performed free of charge. The recall began July 29, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4520F.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
20V347000
Potential Number of Units Affected:
12097
SERVICE BRAKES, HYDRAULIC
Jun 12, 2020
Loose brake calipers can reduce braking performance or interfere with wheel rotation, affecting vehicle handling. Either of these scenarios can increase the risk of a crash.
Summary:
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.
What should you do:
Mazda will notify owners, and dealers will inspect the front brake caliper bolts, tightening them as necessary. If bolts are missing, the affected brake caliper will be replaced. Repairs will be performed free of charge. The recall began July 24, 2020. Owners may contact Mazda customer service at 1-800-222-5500, Option 4. Mazda's number for this recall is 4420F.
For more information:
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
NHTSA CAMPAIGN ID Number:
20V346000
Potential Number of Units Affected:
24037
Check Vehicle for Unrepaired Recalls
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"Had to replace my front windshield twice and back tail light sue to water leaking in"
Anonymous A., MA (2020 Mazda CX-30 Unsure 2.5-L 4 Cyl)