AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2009 Cadillac Dts
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $4,500–$7,500
The 2009 Cadillac DTS has notable issues with the electrical system, evidenced by multiple recalls and complaints. Problems with service brakes and seats also contribute to a below-average reliability rating, leading to potential high long-term costs.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 50,000–80,000 miles | $300–$1,000 | very common |
| service brakes | 60,000–100,000 miles | $200–$600 | common |
| seats | 70,000–110,000 miles | $150–$400 | common |
| engine | 80,000–120,000 miles | $500–$2,500 | occasional |
| steering | 90,000–130,000 miles | $400–$1,200 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Brake pads and rotors inspection annually
- Cooling system service every 30,000 miles
- Transmission fluid change every 50,000 miles
- Air filter replacement every 15,000 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Frequent electrical issues
- ABS warning light activation
- Unresponsive steering wheel movements
- Unusual engine noises
- Seat adjustment malfunctions
Generated by gpt-4o on 8/19/2026. Cost ranges are conservative estimates that account for typical regional variation.