AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2018 Buick Lacrosse
Overall rating NHTSA-grounded
Average
Estimated 5-year repair + maintenance cost: $3,500–$7,000
The 2018 Buick LaCrosse has a mixed reliability profile with concerns in the powertrain, brakes, and fuel system. Repairs are within average cost ranges, with no overwhelmingly common failures. Recalls, particularly affecting the transmission and brake systems, are noteworthy but do not overshadow overall performance and reliability.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| transmission | 30,000–60,000 miles | $750–$1,500 | common |
| brake calipers | 20,000–40,000 miles | $300–$600 | occasional |
| fuel pump | 40,000–70,000 miles | $600–$1,200 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 7,500 miles
- Brake fluid replacement every 30,000 miles
- Air filter change every 20,000 miles
- Transmission fluid change at 45,000 miles
- Coolant flush every 60,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Delayed gear shifting
- Reduced brake performance
- Fuel smell or leaks
Generated by gpt-4o on 8/20/2026. Cost ranges are conservative estimates that account for typical regional variation.