AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Buick Enclave
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $7,500–$11,000
The 2018 Buick Enclave has an average overall reliability due to moderate complaints in brakes and powertrain. Some high-repair costs exist, but issues aren't widespread.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| service brakes | 30,000–60,000 miles | $300–$700 | very common |
| powertrain | 50,000–80,000 miles | $1,500–$3,000 | common |
| engine | 50,000–100,000 miles | $1,000–$2,500 | common |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil change every 7,500 miles
- Brake fluid replacement every 2 years
- Coolant change every 5 years
- Transmission fluid check annually
- Timing belt inspection at 60,000 miles
- Tire rotation every 10,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unresponsive brakes
- Transmission slipping
- Engine stalling or misfires
- Unusual whining noises
- Dashboard warning lights
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.