1989 Cadillac Deville problems & reliability
48 owner complaints filed with NHTSA for the 1989 Cadillac Deville. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
3 complaints report injuries (3 injured).
Federal crash records (FARS 2020–2023): 1989 Cadillac Deville vehicles were involved in 5 fatal crashes with 3 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Vehicle Speed Control → | 19 | 40% |
| Engine and Engine Cooling | 8 | 17% |
| Service Brakes, Hydraulic | 7 | 15% |
| Electrical System | 5 | 10% |
| Power Train | 4 | 8% |
| Fuel System, Gasoline | 3 | 6% |
| Structure | 3 | 6% |
| Wheels | 3 | 6% |
| Seat Belts | 2 | 4% |
| Steering | 2 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“1989 cadillac deville cp speed actuator - high idle / runaway vehicle - have replaced 3 times problems still happening. Now I will not drive this car for fear of a accident! I went online to see if any other consumers had same problems and it is confirmed! "incidents numerous times". *tr”
Vehicle Speed Control · filed Mar 3, 2010
“Would not pass emissions due to misfire and nox control system malfunction (most likely due to problems in only a few cylinders). Possible causes include lean air/fuel ratio, port vacuum leaks, egr system, erratic ignition timing, and/or other mechanical problems. *tr”
Engine and Engine Cooling · filed Mar 8, 2008
“Hood on front car fell closed by itself and latched closed. My fingers were on fender at the time it fell. My fingers were smashed between the hood and the fender. I could not get them out. I had to scream for someone to open the hood from inside the car since I was trapped. My fingers came very close to being cut…”
Structure · filed Nov 11, 2005
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Safety recalls
No NHTSA recall campaigns name the 1989 Cadillac Deville in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1989 Cadillac Deville?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.