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2020 Mazda CX-30: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2020 / mazda / cx-30
known issues7 clusters (reviewed 2026-08-30)
complaints33 on file (2020-01-07 → 2026-09-03)
recalls3
investigations0
fars4 occupant deaths, crash years 2010-2024 (vpic)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Hatch and door mechanisms that will not openSTRUCTURE3 complaints2020-09 → 2025-11mazda-cx-30-2020-hatch-door-egress
  • 11700042 There is a module that should connect to the hatch door to open. That module in no longer available. Without the hatch door opening, in case of side impact and being pushed into something else, there is no way to get out of the car. This poses a serious safety hazard
  • 11499099 Driver door cannot be opened from inside with either engine ON or OFF. After I came home from work , I parked the car inside the garage and I could not get out of the car.It took me approximately 2-4 minutes.After that the car just opened. This is the second time in 4 months
  • 11354940 I SEE THIS AS A POTENTIAL SAFETY ISSUE. I HAVE BEEN MADE AWARE THAT THE ONLY WAY TO OPEN THE REAR HATCH FROM INSIDE MY CX30 REQUIRES THE NEED OF A FLATHEAD SCREWDRIVER. WHO ROUTINELY HAS THIS ITEM IN THEIR CAR
Transmission failure and jerky shiftingPOWER TRAIN2 complaints2025-05 → 2025-07mazda-cx-30-2020-transmission-failure
  • 11674592 I OWN 2020 MAZDA CX 30 WITH 66000 MILES. THE TRANSMISSION WAS SHIFTING WITH JERKY MOTIONS. ON JULY 14, 2025 I BROUGHT THE CAR TO PALISADES MAZDA IN ROCKLAND COUNTY NEW YORK TO HAVE TRANSMISSION LOOKED AT AND TO CHANGE TRANSMISSION FLUID CHANGED
  • 11661587 I am reporting a repeated and potentially dangerous transmission failure in my 2020 Mazda CX30. At 6 months old, the original transmission failed. Mazda confirmed it was defective and replaced it with a refurbished unit with 10,000 miles on it
Excessive oil consumption and low oil lightENGINE2 complaints2023-03 → 2024-12mazda-cx-30-2020-low-oil-light
  • 11628495 Low Engine Oil Light keeps appearing at seemingly random intervals. I will heat up my vehicle, begin driving, and sometimes after 10 minutes, sometimes after 20 minutes it will come on. I drove 2.5 hours and it did not come on at all
  • 11513156 Every 1000 miles the low oil light comes on. I have 24000 miles on the car and this only started about 4000 miles ago. I have to add a quart of oil every 1-2000 miles
Rear coil spring breakageSUSPENSION2 complaints2024-06 → 2024-11mazda-cx-30-2020-rear-coil-spring
  • 11625683 Rear coil spring broke at ~33,000 miles under normal driving conditions. No warnings given in vehicle safety system and not included in recommended maintenence. Seen when inspected by independent service center. Cannot safely drive vehicle until replaced
  • 11596869 Front and rear brakes premature wear, would have failed safety inspection under 30,000 miles but brakes were inspected just outside of warranty with metal on metal. RIGHT rear coil spring snapped lower middle of coil while driving on flat even ground. Just outside of warranty
Automatic emergency braking activation with no obstacleSERVICE BRAKES, FORWARD COLLISION AVOIDANCE2 complaints2021-10 → 2022-06mazda-cx-30-2020-aeb-false-activation
  • 11438761 The Automatic Emergency Braking system is activated even if there is nothing in front of the car. The car stops on its own. This has happened 11 times. Yes, my car is available for inspection. I do not know when it's going to happen. My car has malfunctioned like this 11 times
  • 11468192 While driving across Speer Blvd in Denver, CO (6 lanes) the emergency assist brake engaged and brought my car to a complete stop. There were no cars or objects ahead of me and fortunately the cars behind me were able to stop
Speaker system static or whistling that will not shut offELECTRICAL SYSTEM, UNKNOWN OR OTHER2 complaints2020-06 → 2021-05mazda-cx-30-2020-speaker-static-noise
  • 11414958 ON SUNDAY MAY 2ND, THE BOSE SOUND SYSTEM SPEAKERS STARTED EMITTING AN EXTREMELY LOUD STATIC/WHISTLING THAT I WAS UNABLE TO TURN OFF. MY CAR WAS PARKED IN THE DRIVEWAY AT MY SHORE HOUSE WHEN THIS OCCURRED. I COULD NOT TURN IT OFF!!! IT WAS EXTREMELY DAMAGING TO MY EARS!!
  • 11328408 LAST NIGHT, AFTER WE RETURNED HOME, MY WIFE REMOVED A CUP FROM OUR VEHICLE'S CUP HOLDER. SHORTLY THEREAFTER, AN EXTREMELY LOUD SOUND OF STATIC BEGAN TO BE HEARD, EMANATING FROM THE CAR'S SPEAKER SYSTEM
Intermittent no-start and electrical stall conditionELECTRICAL SYSTEM3 complaints2022-01 → 2026-01mazda-cx-30-2020-electrical-no-start
  • 11710048 My 2020 Mazda CX-30 has an intermittent no-start condition caused by a complete electrical failure. This occurs randomly, often overnight and after long or short trips
  • 11506136 I bought Mazda CX30 in 2020 and the battery already starts to fail. The engine light and the battery light are on suddenly when I was driving. Then, after a while, when I restart the engine and it starts to work again. However, it happens for two times within a week
  • 11448132 MY KEY FOB HAS FAILED 5 TIMES AND AS A RESUKLT IT DRAINS THE BATTERY THUS NEEDING TO GRET A JUMP START. THIS IS ALL IN A TWO YEAR PERIOD. I BELIEVE THERE IS AN ISSUE WITH MAZDA KEY FOBS

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
332020-01-072026-09-0310UNKNOWN OR OTHER:9; SERVICE BRAKES:7; ELECTRICAL SYSTEM:5; FUEL/PROPULSION SYSTEM:5; ENGINE:5

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
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.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.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.
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.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.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.
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.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.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.

Investigations all years →

none listed

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-20244vpic4

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2020 Mazda CX-30 vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2020/mazda/cx-30
@misc{wrenchpro_2020_mazda_cx_30_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2020 Mazda CX-30},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2020/mazda/cx-30}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

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