Home · 2018 · Mazda
2018 Mazda Cx-30
Limited data — few reports on file, read the verdict loosely
Too few owner complaints are on file to affirm this car. Treat it as unproven — not endorsed — and lean hard on a professional pre-purchase inspection.
10 owner complaints · 1 recalls · data verified July 10, 2026 · source: NHTSA
What the record shows so far
Only 10 owner complaints on file for this exact model year — too few to judge long-term reliability. Treat this as unproven, not endorsed, and lean on a professional inspection.
The math, shown
Full methodology →Complaints filed per year
Fading = early teething worked out. Climbing = problems aging in.
The road ahead
What breaks on a 2018 Mazda Cx-30, plotted where owners report it happening.
Engine
20%2 complaints · 1 in the last 2 years
“Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when …”
Backup camera & sensors
20%2 complaints · 1 in the last 2 years
“The contact owns a 2018 Mazda CX3. The contact received notification of NHTSA Campaign Number: 23V487000 (Back Over Prevention) however, the part to do the recall repa…”
Electrical system
20%2 complaints
“TL* THE CONTACT OWNS A 2018 MAZDA CX-3. THE CONTACT STATED WHILE DRIVING 52 MPH, THE BLIND SPOT DETECTION WARNING INDICATOR WAS NOT WORKING. THE CONTACT STATED THAT TH…”
Fuel system
10%1 complaints · 1 in the last 2 years
“Fuel injector failed without warning. A lot of fuel leaked into the engine destroying a spark plug in one cylinder and ultimately ruining the catalytic converter when …”
Recalls (1)
Safety recall repairs are free at the brand’s franchised dealers. Before buying, run the VIN at nhtsa.gov/recalls and make the seller show the work was done.
Back Over Prevention · 23V487000
Mazda North American Operations (Mazda) is recalling certain 2014-2018 Mazda3 and 2016-2021 CX-3 vehicles. The rearview camera image may not display properly by showing a flickering or distorted image.
Risk: A rearview camera that does not display properly can reduce the driver's rear view, increasing the risk of a crash or injury.
Fix: Dealers will inspect and replace the rearview camera, as necessary. In addition, dealers will install a wiring harness fastening seal. All repairs will be performed free of charge. Interim notification letters, notifying owners of the safety risk, were mailed September 13, 2023. Final owner letters for affected models and model years in the states of CT, MA, MD, NJ, NY, PA and VA were mailed August 14, 2024. The remaining owner notification letters will be mailed at a future date, anticipated on or before May 1, 2025. Owners may contact Mazda customer service at 1-800-222-5500, Option 6. Mazda's number for this recall is 6023G.
Before you hand over money
Check the VIN for open recalls
NHTSA’s free lookup shows whether this exact car had its recall remedies completed.
Free NHTSA VIN check ↗Get a pre-purchase inspection
A $150–$250 independent inspection of this exact 2018 Mazda CX-30 beats every score on the internet, including ours.
What to ask forNot set on the 2018? See how every Cx-30 model year scores →
Cross-shopping? Compare the 2018 Mazda Cx-30 against another car →
What owners say
Real owners of this exact model-year, shown separately from the NHTSA score — if they disagree, that’s worth knowing.