M MILEMARK Brands Repair costs Guides

Cadillac STS

2003–2007 only

292 classified complaints 1 recall

2003–2007 Cadillac STS models have 292 classified complaints on record for these years specifically, plus 1 recall. The most common issue in this range is Airbags, seatbelts and restraints, typically surfacing around 72,000 miles.

Computed directly from stored federal records for 2003–2007 model years only — not blended with the rest of this vehicle's production run. See the full Cadillac STS report for every year combined.

Where this range fits

2003–2007

2008–2011

Complaints filed per 5-year model-year window — highlighted bars link to their own dedicated page.

What breaks, and when — 2003–2007 only

Airbags, seatbelts and restraints · Body and interior 88 complaints

Median onset: 72,000 miles. 12.5% of these reported an injury, a death, or a crash with fire.

More common in newer model years.

Body control and other modules · Electrical 42 complaints

Median onset: 91,000 miles.

More common in newer model years.

Stalling and no-start · Engine 27 complaints

Median onset: 67,000 miles. 25.9% of these reported an injury, a death, or a crash with fire.

More common in older model years.

Wiring harness, grounds and connectors · Electrical 17 complaints

Median onset: 90,000 miles.

More common in newer model years.

Rear differential and axle · Drivetrain 15 complaints

Median onset: 60,000 miles. 13.3% of these reported an injury, a death, or a crash with fire.

Tends to show up earlier than this model's other issues. · Typical repair: $1,350–$2,550 nationally.

Fuel pump and sending unit · Fuel system 13 complaints

Median onset: 88,362 miles.

Typical repair: $630–$1,700 nationally.

Doors, windows, latches, seats and trim · Body and interior 8 complaints

Median onset: 90,000 miles.

More common in newer model years.

Tank, lines and filler · Fuel system 7 complaints

Median onset: 101,500 miles.

From owner-filed complaints to NHTSA, not independently verified. Federal mileage reporting on recent complaints is sparse — see how it works. Cost ranges are national estimates from book labor hours and parts pricing, not this vehicle's actual repair history — they don't account for your location or shop type.

Cost estimator: what will this one cost you?

Enter the car's year and mileage. See which known problems are due in your next 3 years, what each costs at your state's labor rates, which ones to ask the seller about, and routine maintenance to budget for.

Sources: NHTSA Office of Defects Investigation — complaints and recalls, scoped to 2003–2007 model years. See the full Cadillac STS report for every year and full specs/safety data.