AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Mazda Mazda6
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $5,000–$8,000
The 2018 Mazda Mazda6 has an average reliability rating due to significant recalls affecting the fuel pump and engine stalling issues, as well as a moderate number of engine complaints.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| Fuel pump | 30,000–60,000 miles | $400–$700 | common |
| Engine control module | 40,000–70,000 miles | $300–$600 | common |
| Powertrain | 50,000–80,000 miles | $500–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change
- Tire rotation and balance
- Brake fluid replacement
- Transmission fluid change
- Engine coolant replacement
- Spark plug replacement
- Timing belt inspection
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Engine stalling
- Decreased fuel efficiency
- Abnormal engine noises
- Unresponsive acceleration
- Warning lights on dashboard
Generated by gpt-4o on 8/23/2026. Cost ranges are conservative estimates that account for typical regional variation.