2003 Cadillac STS
Only 8 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 8 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 8
- Recalls
- 0
- Investigations
- 0
- Top problem
- —
Too few to rank
None on file
None on file
Not enough data
Complaints per year
2003: 8 complaints
View as data table
| Year | Complaints |
|---|---|
| 1998 | 3 |
| 1999 | 13 |
| 2000 | 12 |
| 2001 | 12 |
| 2002 | 7 |
| 2003 | 8 |
| 2004 | 7 |
| 2005 | 101 |
| 2006 | 139 |
| 2007 | 52 |
| 2008 | 50 |
| 2009 | 15 |
| 2010 | 4 |
| 2011 | 7 |
Known problem areas
Only 8 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Electrical system
4 of 8 total reports mention: electrical system, most commonly citing horn and 12v/24v/48v battery.
Show complaint excerpts
Vehicle was idling in driveway during strong electrical storm. Lightning appeared to hit a tree nearby. Simultaneously, several dash warning lights came on and stayed on, including anti-lock brake, traction and stability control warnings.
NHTSA ODI report, 2012-09-05
Also filed under Service brakes and electronic stability control (esc)
Engine and engine cooling
3 of 8 total reports mention: engine and engine cooling, most commonly citing engine.
Service brakes
2 of 8 total reports mention: service brakes, most commonly citing hydraulic.
Suspension
1 of 8 total reports mentions: suspension, most commonly citing coil springs.
Show complaint excerpts
Car scrapes front end going into or out of driveways even at slow speed 1 to 2 miles an hour. Also hits curb parking stops. My mechanic told me to take it back to the dealer I pruchased it from and the warranty should cover it.
NHTSA ODI report, 2007-03-17
Steering
1 of 8 total reports mentions: steering, most commonly citing column.
Show complaint excerpts
While driving the bolt came out of the steering column. *nlm there were engine problems/stalling, air bag light had come on, the radio cuts on by itself, horn was inoperative, engine light would come on, and steering wheel locked up.
NHTSA ODI report, 2003-03-24
Safety timeline
No recalls on file for this model year.
0 recalls · 0 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
Buy-smart checklist
2003 Cadillac STS — pre-purchase inspection
Inspect
- Electrical system: 4 reports on file for this year.
- Engine and engine cooling: 3 reports on file for this year.
- Service brakes: 2 reports on file for this year.
FAQ
- Is the 2003 Cadillac STS reliable?
- There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
- What are the most common problems with the 2003 Cadillac STS?
- The most-reported component is electrical system, accounting for 50% of complaints on file.
- How many recalls does the 2003 Cadillac STS have?
- No recalls are on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.