Reliability & 5-year cost of ownership — 2006 Cadillac STS
NHTSA data on file today
The 2006 Cadillac STS has 4 NHTSA recall campaigns and 139 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #14V542000 Fuel Pump Electrical Terminal Overheating NHTSA notice
- NHTSA #07V589000 DRIVE AXLE SEAL LEAK NHTSA notice
- NHTSA #06V020000 FUEL GAUGE INACCURATE NHTSA notice
- NHTSA #06V007000 ELECTRONIC THROTTLE CONTROL (ETC) NHTSA notice
Most-cited components in owner complaints
- Air Bags 57 complaints
- Electrical System 21 complaints
- Engine 20 complaints
- Fuel/Propulsion System 18 complaints
- Power Train 13 complaints
- Electronic Stability Control (ESC) 8 complaints
Of the 139 complaints on file, 16 report a crash and 6 a fire; across all 139 complaints, owners report 20 injuries (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $6,000–$10,000AI estimate — not from NHTSA data
The 2006 Cadillac STS shows reliability challenges, particularly with the fuel and power train systems, reflected in recalls and owner complaints. These issues elevate the expected maintenance costs over ownership.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| fuel pump | 60,000–90,000 miles | $500–$1,000 | common |
| rear axle pinion seal | 70,000–100,000 miles | $200–$500 | occasional |
| engine control module | 80,000–120,000 miles | $300–$700 | occasional |
| electronic throttle control | 60,000–90,000 miles | $250–$600 | occasional |
| airbag system | 70,000–110,000 miles | $600–$1,500 | rare |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Tire rotations and alignment
- Spark plug replacement
- Air filter replacement
- Transmission fluid change
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Check engine light
- Fuel smell in the cabin
- Unusual noises from rear axle
- Inconsistent engine power
- Erratic throttle response
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2006 Cadillac STS at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.