1984 Cadillac Deville
Only 6 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 6 complaints on file — too few for a fair verdict. The data below is complete but unranked.
- Complaints
- 6
- Recalls
- 1
- Investigations
- 3
- Top problem
- —
Too few to rank
Campaigns on file for 1984
Opened by NHTSA
Not enough data
Complaints per year
1984: 6 complaints
View as data table
| Year | Complaints |
|---|---|
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 5 |
| 1984 | 6 |
| 1985 | 19 |
| 1986 | 22 |
| 1987 | 41 |
| 1988 | 28 |
| 1989 | 49 |
| 1990 | 77 |
| 1991 | 88 |
| 1992 | 135 |
| 1993 | 96 |
| 1994 | 140 |
| 1995 | 129 |
| 1996 | 218 |
| 1997 | 269 |
| 1998 | 237 |
| 1999 | 187 |
| 2000 | 225 |
| 2001 | 175 |
| 2002 | 176 |
| 2003 | 144 |
| 2004 | 167 |
| 2005 | 95 |
Known problem areas
Only 6 complaints on file for this model year — too few to rank by share. Raw counts only, below.
Vehicle speed control
2 of 6 total reports mention: vehicle speed control.
Show complaint excerpts
Vehicle experienced sudden acceleration resulting in vehicle accident with injuries.
NHTSA ODI report, 1999-03-18
Engine and engine cooling
2 of 6 total reports mention: engine and engine cooling, most commonly citing gasoline.
Show complaint excerpts
Purchased vehicle used water on the engine need to replace engine. Tt
NHTSA ODI report, 1995-11-13
Fuel system, gasoline
1 of 6 total reports mentions: fuel system, gasoline, most commonly citing hoses, lines/piping, and fittings.
Show complaint excerpts
Recall 93E019000 regarding fuel system other parts: while pulling into a parking lot vehicle stalled. Consumer noticed fuel was leaking onto the engine. A mechanic informed the consumer that this vehicle was under a recall.
NHTSA ODI report, 2004-11-30
Electrical system
1 of 6 total reports mentions: electrical system, most commonly citing ignition.
Show complaint excerpts
The engine is making terrible noise and will not start and is not driveable because of the noise. Please explain. Tt
NHTSA ODI report, 1995-06-22
Safety timeline
1 recall · 3 investigations · oldest first
To check one car, enter its VIN on the NHTSA recall page. Check a VIN →
-
I
1987-07-09Preliminary evaluationClosed 1988-01-28 Hydroboost failure
-
I
1987-09-04Preliminary evaluationClosed 1988-02-08 Trunk fires
-
I
1988-01-28Engineering analysisClosed 1990-10-31 Hydro boost
-
R
1993-05-27Fuel system, gasoline93E019000 The fuel filters were produced with an incorrect threaded fitting. The incorrect fitting is similiar enough in size that the fuel filter may appear to be correctly threaded onto the fuel line.
Remedy: The improper threading could cause a gasoline leak which may result in an underhood fire when exposed to a source of ignition.
Buy-smart checklist
1984 Cadillac Deville — pre-purchase inspection
Inspect
- Vehicle speed control: 2 reports on file for this year.
- Engine and engine cooling: 2 reports on file for this year.
- Fuel system, gasoline: 1 report on file for this year.
Verify these recalls were completed
- Recall 93E019000 · Fuel system, gasoline
Other years of this model
See all years ranked →FAQ
- Is the 1984 Cadillac Deville reliable?
- There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
- What are the most common problems with the 1984 Cadillac Deville?
- The most-reported component is vehicle speed control, accounting for 33% of complaints on file.
- How many recalls does the 1984 Cadillac Deville have?
- 1 recall on file for this model year.
Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.