Reliability & 5-year cost of ownership — 2021 Mazda CX-30
NHTSA data on file today
The 2021 Mazda CX-30 has 2 NHTSA recall campaigns and 101 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, averaged across 2 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #21V101000 Tire Air Valve May Leak NHTSA notice
- NHTSA #21V086000 Power Liftgate May Lower Unexpectedly NHTSA notice
Most-cited components in owner complaints
- Engine 49 complaints
- Electrical System 14 complaints
- Forward Collision Avoidance 12 complaints
- Unknown or Other 10 complaints
- Visibility/Wiper 9 complaints
- Power Train 8 complaints
Of the 101 complaints on file, 10 report a crash; across all 101 complaints, owners report 13 injuries (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $4,500–$7,500AI estimate — not from NHTSA data
The 2021 Mazda CX-30 has an average reliability rating. Notable issues include engine and electrical system complaints. While there are tire valve and liftgate recalls, no severe safety concerns are prevalent.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| engine | 15,000–40,000 miles | $1,500–$3,000 | common |
| electrical system | 10,000–30,000 miles | $200–$1,200 | common |
| forward collision system | 20,000–50,000 miles | $200–$1,000 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake pad and rotor inspection
- Transmission fluid change
- Coolant replacement
- Tire rotation and balance
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine knocking sounds
- Sudden electric failures
- Forward collision alerts
- Uneven tire wear
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2021 Mazda CX-30 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.