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 PER YEAR
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.
2 of 8 total reports mention: engine and engine cooling.
2 of 8 total reports mention: electrical system.
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, 20120905
1 of 8 total reports mentions: suspension.
CRASHShow 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, 20070317
1 of 8 total reports mentions: steering.
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, 20030324
1 of 8 total reports mentions: service brakes, hydraulic.
SAFETY TIMELINE
No recalls on file for this model year.
BUY-SMART CHECKLIST
2003 Cadillac STS — pre-purchase inspection
- Test/inspect for engine and engine cooling issues (2 reports on file for this year).
- Test/inspect for electrical system issues (2 reports on file for this year).
- Test/inspect for suspension issues (1 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 engine and engine cooling:engine, accounting for 25% of complaints on file.
How many recalls does the 2003 Cadillac STS have?
No recalls are on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.