AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2016 Mazda Cx-9
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $7,000–$12,000
The 2016 Mazda CX-9 has an average rating due to notable engine complaints, but lacks critical systemic failures. Maintenance costs can be moderate.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| engine | 70,000–100,000 miles | $1,200–$3,500 | common |
| electrical system | 50,000–80,000 miles | $300–$800 | occasional |
| brakes | 60,000–90,000 miles | $200–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- oil change every 5,000 miles
- brake inspection every 12 months
- transmission fluid change at 60,000 miles
- coolant flush every 60,000 miles
- spark plug replacement at 100,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- engine knocking noises
- electrical system failures
- brake pedal inconsistency
Generated by gpt-4o on 8/24/2026. Cost ranges are conservative estimates that account for typical regional variation.