what it costs new, what it’s worth used, and who has one near you.
The 2008 Cadillac STS is a vehicle we track across the used market in Canada. A 3-year-old one keeps roughly 30% of a current model's market price — what actually matters over five years of ownership.
Median market price by vehicle age
Fuel economy & range: Natural Resources Canada (Open Government Licence — Canada). Safety recalls & owner-reported complaints: US National Highway Traffic Safety Administration (public domain); complaint shares are a relative signal, not a failure rate. Prices, payments, depreciation, listing counts and dealer inventory: Conquest market data; payment estimates use market-average terms and are not an offer of credit. Independent service — not affiliated with or endorsed by Cadillac.
Owner-reported problems and open safety recalls
Most-reported problems
Across 50 owner complaints filed on the 2008 Cadillac STS
Share of complaints naming each system — a signal of what owners report most on this model, not a failure rate. The denominator is people who filed a complaint, not every owner. Complaints are filed with the US regulator; the same models are sold in Canada.
Safety recalls
1 campaign issued by the manufacturer
Exterior Lighting
GM IS RECALLING 4,586 MY 2008 CADILLAC STS AND STS-V PASSENGER VEHICLES FOR FAILING TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 138, 'TIRE PRESSURE MONITORING SYSTEMS' (TPMS). THE STANDARD REQUIRES AN INDICATION TO THE DRIVER FOR CERTAIN TPMS MALFUNCTIONS. WHEN THE SYSTEM DETECTS A MALFUNCTION, THE LOW TIRE WARNING LIGHT SHOULD FLASH FOR ABOUT ONE MINUTE AND THEN STAY ON THE REMAINDER OF THE IGNITION CYCLE. A DRIVER INFORMATION CENTER MESSAGE WILL ALSO BE DISPLAYED ON THE INSTRUMENT PANEL.
Campaign 08V108000
Recall campaigns are manufacturer-issued and fixed free of charge. This is the US campaign set matched by year, make and model — it is not a check against a specific VIN, and Canadian campaigns may differ.