2003 Cadillac STS

○ Not enough data
2003 Cadillac STS
RENDERED 2026-08-02T12:35:11.278Z

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.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, Cadillac STS Bar chart of distinct NHTSA complaints filed per model year, 2003 highlighted. 1998: 3 complaints 1998 1999: 13 complaints 2000: 12 complaints 2000 2001: 12 complaints 2002: 7 complaints 2002 2003: 8 complaints 2003 2004: 7 complaints 2004 2005: 101 complaints 2006: 139 complaints 2006 2007: 52 complaints 2008: 50 complaints 2008 2009: 15 complaints 2010: 4 complaints 2010 2011: 7 complaints 2011
2003: 8 complaints
View as data table
YearComplaints
19983
199913
200012
200112
20027
20038
20047
2005101
2006139
200752
200850
200915
20104
20117

KNOWN PROBLEM AREAS

Only 8 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

ENGINE AND ENGINE COOLING

2 of 8 total reports mention: engine and engine cooling.

ELECTRICAL SYSTEM

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

SUSPENSION

1 of 8 total reports mentions: suspension.

CRASH
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, 20070317

STEERING

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

SERVICE BRAKES, HYDRAULIC

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.