Open safety recalls, the components owners report failing most often, crash-test results and running costs for the 1998 Cadillac STS, assembled from NHTSA and EPA records.
Everything on this page applies to the model as a whole. Run its VIN to decode that exact car, its engine, trim, assembly plant and factory equipment, alongside these records.
Open a VIN recordRecalls and complaints are filed against a specific model year, so figures differ from one year to the next even within a single generation. See every Cadillac STS year.
No EPA fuel-economy match for this model. Naming may differ, or it predates EPA records.
NHTSA has no NCAP crash-test rating for this model year, which is common for older, low-volume and heavy-duty vehicles.
The parts named most often across 3 owner complaints filed with NHTSA for this make, model and year.
Complaints are self-reported and skew toward problems people find alarming, so read this as where to look rather than as a defect rate.
DAUGHTER WAS DRIVING VEHICLE. ON TWO SEPARATE OCCASIONS (THANKFULLY BOTH AT SLOW SPEEDS) STEERING WHEEL LOCKED UP AND COULD NOT BE TURNED (LOCKED UP HEADING LEFT). SHE WAS ABLE TO GUIDE VEHICLE TO STOP WITHOUT INJURY. SHE TURNED OFF VEHICLE AND RESTARTED AND STEERING RETURNED TO NORMAL. ONLINE RESEARCH INDICATES ALL CADILLAC MODELS OF THIS VINTAGE AND SOME NEWER ARE EXPERIENCING THIS STEERING PROBLEM. HOWEVER, NO RECALL OR SERVICE BULLETINS ISSUED. THIS IS THE LAST GM PRODUCT WE WILL EVER PURCHASE. *TR
THE MAIN AIR BAG FROM THE STEERING WHEEL WAS SET OFF WITH THE CAR RUNNING AND IN PARK. THE CAR WAS NOT MOVING NOR WAS THERE ANY COLLISION TO SET OFF THE AIR BAG. LATER INVESTIGATION BY CADILLAC/GM DETERMINED FAULTY SENSORS THAT CAUSED THE AIR BAG TO DEPLOY IMPROPERLY WHICH CREATED/CREATES A POTENTIALLY DANGEROUS SITUATION.
AFTER A POLICE STOP FOR HIGH-MOUNT BRAKE LIGHT INOPERATIVE, I LEARNED THAT THERE IS A 100% FAILURE RATE FOR THIS 3RD BRAKE LIGHT IN CADILLAC VEHICLES. MINE IS A 1998 STS, NOW WITH 80K MILES. IT IS NOT SIMPLY A BULB REPLACEMENT BECAUSE IT IS A SEALED LED UNIT AND IT IS VERY EXPENSIVE. THE UNIT IS SUBJECT TO WATER DAMAGE. THE PRICE FOR THE PART ALONE IS OVER $800. RESEARCH HAS REVEALED THAT THIS PROBLEM WAS FIRST NOTED ON 1992 - 1997 VEHICLES, AND THEN AGAIN ON 1998 - 2001 CADILLAC VEHICLES WITH 100% FAILURE RATE, NO REPAIR IS POSSIBLE OTHER THAN REPLACING THE $800 PART. THE CADILLAC DIVISION OF GM SHOULD STAND BEHIND THEIR PRODUCT AND REPLACE THESE DEFECTIVE UNITS. *TR
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