AI-generated · grounded in NHTSA data
Reliability & 5-year cost of ownership — 2007 Cadillac Dts
Overall rating NHTSA-grounded
Below average
Estimated 5-year repair + maintenance cost: $6,000–$10,500
The 2007 Cadillac DTS faces significant electrical system challenges, evidenced by recalls affecting ignition and heater systems. Owners frequently report electrical issues, along with concerns in lighting, engine, and braking systems. These problems contribute to higher maintenance costs over time, making the reliability below-average.
Most-common failures
| Part | Typical mileage | Cost range | Frequency |
|---|---|---|---|
| electrical system | 50,000–80,000 miles | $500–$1,200 | very common |
| engine | 70,000–100,000 miles | $700–$2,000 | common |
| service brakes | 60,000–90,000 miles | $400–$800 | common |
| exterior lighting | 50,000–75,000 miles | $150–$400 | common |
| air bags | 80,000–110,000 miles | $800–$1,500 | occasional |
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter change every 5,000 miles
- Brake fluid check every 2 years
- Cooling system service every 3 years
- Tire rotation every 7,500 miles
- Replace air filter annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Warning lights on dashboard
- Strange noises from engine
- Brake pedal softness
- Erratic electrical behavior
- Difficulty starting
Generated by gpt-4o on 8/18/2026. Cost ranges are conservative estimates that account for typical regional variation.