1984 Cadillac Deville Problems
- Complaints
- 6filed with NHTSA
- Median mileage
- 90,995miles, 1 complaints with mileage
- Recalls
- 0campaigns on record
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
Sources: NHTSA records for the 1984 Cadillac Deville (complaints, recalls, investigations). Report an error
NHTSA recorded 6 consumer complaints for the 1984 Cadillac Deville. The part named most often is engine cooling, with 2 complaints (33% of the total), followed by vehicle speed control (2) and electrical system (1). 1 of the complaints include a mileage, and 0% of those were filed for vehicles with under 50,000 miles; the median is 90,995 miles. Of all complaints, 1 an injury, according to the filers. NHTSA lists 0 recall campaigns and 0 technical service bulletins for this model year.
This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.
Which parts are reported most
Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.
- Engine cooling2 33%
- Electrical system1 17%
- Fuel system1 17%
Example complaints
Fuel system: “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. Consumer contacted a local Cadillac dealer, who informed the consumer that nothing would be done.”
NHTSA complaint #10101854, filed 2004-11, 90,995 milesMileage when problems were reported
0% of the 1 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 90,995 and 90,995 miles.
Complaints by year filed
Fewer than 15 complaints, too few for a reliable trend.
Recalls and investigations
NHTSA lists no recall campaigns for the 1984 Cadillac Deville in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.
NHTSA investigations
Technical service bulletins
No technical service bulletins are on record for the 1984 Cadillac Deville.
Other model years of the Cadillac Deville
| Year | Complaints | Median mi | Recalls | Crash ★ | MPG | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|---|
| 2005 | 95 | 75,500 | 1 | — | 19 | Not compared (before 2008) | Stable |
| 2004 | 167 | 68,686 | 1 | — | 19 | Not compared (before 2008) | Falling |
| 2003 | 145 | 68,500 | 4 | — | 19 | Not compared (before 2008) | Falling |
| 2002 | 176 | 59,000 | 5 | — | 19 | Not compared (before 2008) | Falling |
| 2001 | 175 | 74,238 | 4 | — | 18 | Not compared (before 2008) | Stable |
| 2000 | 225 | 70,000 | 5 | — | 19 | Not compared (before 2008) | Stable |
| 1999 | 187 | 65,555 | 1 | — | 18 | Not compared (before 2008) | Falling |
| 1998 | 237 | 74,211 | 3 | — | 18 | Not compared (before 2008) | Stable |
| 1997 | 269 | 82,000 | 2 | — | 18 | Not compared (before 2008) | Falling |
| 1996 | 218 | 85,575 | 2 | — | 18 | Not compared (before 2008) | Stable |
| 1995 | 129 | 104,000 | 2 | — | 18 | Not compared (before 2008) | Falling |
| 1994 | 127 | 88,690 | 0 | — | 18 | Not compared (before 2008) | Stable |
| 1993 | 92 | 113,000 | 1 | — | 17 | Not compared (before 2008) | Stable |
| 1992 | 135 | 110,000 | 1 | — | — | Not compared (before 2008) | Stable |
| 1991 | 87 | 97,000 | 1 | — | — | Not compared (before 2008) | Stable |
| 1990 | 76 | 100,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 1989 | 48 | 143,000 | 0 | — | — | Not compared (before 2008) | Stable |
| 1988 | 28 | — | 0 | — | 17 | Not compared (before 2008) | Stable |
| 1987 | 40 | 108,100 | 1 | — | — | Not compared (before 2008) | Stable |
| 1986 | 22 | — | 2 | — | — | — | Stable |
| 1985 | 19 | — | 1 | — | — | — | Stable |
| 1984 | 6 | 90,995 | 0 | — | — | — | Not enough data |
| 1983 | 5 | — | 0 | — | — | — | Not enough data |
All Cadillac Deville model years · Best and worst years by complaints
Frequently asked questions
How many NHTSA complaints does the 1984 Cadillac Deville have?
NHTSA recorded 6 consumer complaints for the 1984 Cadillac Deville as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
What part of the 1984 Cadillac Deville is reported most often?
Engine cooling is named most often, in 2 complaints (33% of the total), followed by vehicle speed control with 2.
Has the 1984 Cadillac Deville been recalled?
NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.
At what mileage are problems with the 1984 Cadillac Deville reported?
Among the 1 complaints that include a mileage, the median is 90,995 miles and the middle half falls between 90,995 and 90,995 miles; 0% were filed for vehicles with under 50,000 miles.
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.