cadillac STS problems
0 safety recalls. 101 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 8 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I HAVE HAD ONGOING PROBLEM WITH THIS SINCE I BOUGHT THE CAR USED LAST AUGUST 2012. THE PASSENGER SIDE HEADLAMP COVER GETS A LOT OF MOISTURE INSIDE. I WAS GOING TO FIX MYSELF SO I WENT TO "CADILLAC FORUMS" AND SEARCHED PROBLEM. AMAZED TO FIND ALL MODELS OF CADILLAC AND ALWAYS ON…
TL*THE CONTACT OWNS A 2005 CADILLAC STS. THE CONTACT STATED THAT WHILE DRIVING 58 MPH WITH THE CRUISE CONTROL ON, THE VEHICLE STARTED MOVING TO THE LEFT WITHOUT THE CONTACT BEING ABLE TO CONTROL IT. THE CONTACT TAKE THE VEHICLE TO THE DEALER. THE FAILURE AND CURRENT MILEAGES…
B0022 ISSUE HAS BEEN DETECTED IN THE AIR BAG DEPLOYMENT SYSTEM. PASSENGER SEAT BELT RETRACTOR IS INOPERABLE AND WILL NOT RETRACT SEAT BELT WHEN NEEDED. THE AIR BAG WARNING LITE SHOWS ON DASH WHEN START OF ENGINE AND CONTINUOUS ON .
I PURCHASED 2005 CADILLAC STS JULY 2006 AND WAS TOLD THAT I COULD ADD A GM NAVIGATION LATER HOWEVER NOW I AM FINDING OUT THAT THAT IS NOT POSSIBLE. I AM TOLD BY CADILLAC CUSTOMER SERVICE AS WELL AS DEALERSHIP PERSONNEL THAT IF THE CAR DOESN'T COME FROM THE FACTORY WITH…
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Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2005 Cadillac STS reliable?
Mostly yes. With a reliability score of 7.8 out of 10 based on 101 owner complaints filed with NHTSA, the 2005 Cadillac STS is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2005 Cadillac STS?
Based on NHTSA records, the most-reported issue is electrical, with 17 complaints filed. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Cadillac STS has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2005 Cadillac STS?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 101 complaints on file and the costliest repair averaging $850, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.