Total Complaints
6 filings
CADILLAC DEVILLE · model year
1984 CADILLAC DEVILLE
6 NHTSA complaints. A VIN lookup is required to determine whether a specific vehicle has an unrepaired recall.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1984CADILLACDEVILLE carries 6 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
The most frequently selected component label in reports for the 1984 DEVILLE is engine and engine cooling:engine:gasoline with 2 filings, followed by vehicle speed control (2) and electrical system:ignition (1). Complaint categories reflect owner reports and intake categorization; they do not establish a defect pattern or cause.
NHTSA currently has 10 investigation files overlapping the 1984 DEVILLE, and 1 remain open. Owners comparing this cohort against neighboring years should read the complaint-by-year trend as report volume, not a causal diagnosis. Use the related-complaint feed and the official recall lookup when researching a specific vehicle.
6
Complaints
0
Crashes
0
Fires
1
Injuries
0
Deaths
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
Complaints vs. fleet median (215)
At or below the fleet median complaint volume.
Complaints by Component
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:ENGINE:GASOLINE | 2 |
| VEHICLE SPEED CONTROL | 2 |
| ELECTRICAL SYSTEM:IGNITION | 1 |
| FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS | 1 |
Recent Complaints
20041130FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
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. *AK
Mileage: 90,995
19990318VEHICLE SPEED CONTROL
VEHICLE EXPERIENCED SUDDEN ACCELERATION RESULTING IN VEHICLE ACCIDENT WITH INJURIES.
19970325VEHICLE SPEED CONTROL
SUDDEN ACCELERATION, CAUSING ACCIDENT.
19961231ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
ANTI-FREEZE FOUND IN CRANKCASE, CAUSING COOLANT LIGHT TO COME ON.
19951113ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
PURCHASED VEHICLE USED WATER ON THE ENGINE NEED TO REPLACE ENGINE. TT
19950622ELECTRICAL SYSTEM:IGNITION
THE ENGINE IS MAKING TERRIBLE NOISE AND WILL NOT START AND IS NOT DRIVEABLE BECAUSE OF THE NOISE. PLEASE EXPLAIN. TT
Compare 1984CADILLACDEVILLE to Similar Vehicles
NHTSA Investigations 1 Open
PE24011Preliminary EvaluationOpen
Electronic Brake Module Component Failure
PE22006Preliminary EvaluationClosed
Rear-View Camera Failure
PE19001Preliminary EvaluationClosed
Roof Skin Separation While Driving
EQ11001EQClosed
IEE Passenger Sensing System Mats
EA07017Engineering AnalysisClosed
REAR DRIVETRAIN COMPONENT FAILURE
Frequently Asked Questions
How many complaints does the 1984 CADILLAC DEVILLE have?▼
The 1984 CADILLAC DEVILLE has 6 NHTSA complaints, 0 crashes, 0 fires, 1 injuries, and 0 deaths reported.
What are the most common problems with the 1984 CADILLAC DEVILLE?▼
The most-complained component for the 1984 CADILLAC DEVILLE is ENGINE AND ENGINE COOLING:ENGINE:GASOLINE with 2 complaints. Other frequently reported areas include VEHICLE SPEED CONTROL and ELECTRICAL SYSTEM:IGNITION.
Is the 1984 CADILLAC DEVILLE safe to buy?▼
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?▼
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.
Vehicle Safety Guides
Data vintage: August 2026. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Every figure on PlainCars is rendered directly from NHTSA complaint and safety data, no number is typed in by an editor. This year-specific record is rendered from NHTSA ODI, recall, and NCAP rows for the 1984 CADILLAC DEVILLE; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.
Read our methodology - how this data is sourced, computed, and verified.