AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2011 Mazda Cx-9
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $7,000–$12,000
The 2011 Mazda CX-9 faces significant airbag recalls and service brake complaints. The airbag inflator issues present serious safety risks. Frequent service brake complaints suggest possible reliability concerns, impacting the overall rating.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| airbag inflators | 30,000–60,000 miles | $500–$1,200 | very common |
| service brakes | 50,000–80,000 miles | $300–$800 | common |
| lower ball joint | 70,000–100,000 miles | $200–$600 | common |
| powertrain | 80,000–120,000 miles | $1,500–$3,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 5,000-7,500 miles
- Replace spark plugs every 60,000 miles
- Brake fluid replacement every 45,000 miles
- Transmission service every 60,000 miles
- Coolant system flush every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Decreased brake performance
- Unusual noises from suspension
- Loud engine noises
- Steering difficulty
- Warning lights on dashboard
Generated by gpt-4o on 8/18/2026. Cost ranges are conservative estimates that account for typical regional variation.