AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2005 Buick Lacrosse
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $4,500–$7,000
The 2005 Buick LaCrosse experiences frequent electrical and lighting issues, alongside a range of other concerns including steering and brake problems. These issues, along with a history of numerous recalls, contribute to higher-than-average maintenance costs, earning the vehicle a below-average reliability rating.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| headlights | 60,000–90,000 miles | $150–$300 | very common |
| ignition system | 70,000–100,000 miles | $200–$400 | common |
| steering knuckle | 80,000–110,000 miles | $250–$500 | occasional |
| brake pedal link | 50,000–80,000 miles | $100–$250 | occasional |
| airbag sensor | 70,000–100,000 miles | $300–$600 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes every 5,000 miles
- Brake fluid replacement every 2 years
- Tire rotations every 10,000 miles
- Coolant flush every 4 years
- Transmission service at 60,000 miles
- Replace spark plugs at 100,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Headlights not working at night
- Difficulty turning ignition key
- Steering feels loose or unresponsive
- Brake pedal feels soft or unresponsive
- Airbag light remains on
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.