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#BS-1984-CADDEV-293D

1984 Cadillac Deville

Based on reports from 6 owners and 1 recall for this exact model.

Complaints
6
Crashes
0
Fires
0
Recalls
1
TSBs
0
✅

Preliminary Verdict

Green Light

Based on 6 complaints, 0 crashes, 0 fires, and 1 recalls.

See full verdict with buy/skip conditions

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Mechanic Inspection Checklist

!Check the Engine And Engine Cooling:engine:gasolineHIGH

2 owners reported engine and engine cooling:engine:gasoline issues — failures commonly reported around 91K miles.

!Inspect the Speed ControlMED
Look for symptoms of wear and premature failure
+ 3 more items in full checklistUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Engine And Engine Cooling:engine:gasoline (2 reports).

Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Where the complaints fall

Engine And Engine Cooling:engine:gasoline2 (33%)
Speed Control2 (33%)
Electrical System:ignition1 (17%)
Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings1 (17%)

1984 Cadillac Deville: Known Issues & Problem Areas

Engine And Engine Cooling:engine:gasoline Issues

Engine And Engine Cooling:engine:gasoline complaints account for 33% of all reports filed for the 1984 Cadillac Deville, with 2 owners filing complaints with NHTSA. The median mileage at time of complaint is 90,995 miles, suggesting issues tend to surface around the 91K-mile mark.

Speed Control Issues

Speed Control complaints account for 33% of all reports filed for the 1984 Cadillac Deville, with 2 owners filing complaints with NHTSA. Owners should pay attention to speed control-related symptoms during test drives and pre-purchase inspections.

Electrical System:ignition Issues

Electrical System:ignition complaints account for 17% of all reports filed for the 1984 Cadillac Deville, with 1 owners filing complaints with NHTSA. Owners should pay attention to electrical system:ignition-related symptoms during test drives and pre-purchase inspections.

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings Issues

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings complaints account for 17% of all reports filed for the 1984 Cadillac Deville, with 1 owners filing complaints with NHTSA. Owners should pay attention to fuel system, gasoline:delivery:hoses, lines/piping, and fittings-related symptoms during test drives and pre-purchase inspections.

Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.

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Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (1 recall)

93E019000May 1993

FUEL SYSTEM, GASOLINE:STORAGE

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.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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The worst model year for the Cadillac Deville is the 2001 — worth knowing if you're cross-shopping years. The biggest problem area is engine.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 6 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 1 recall found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Cadillac Deville Model Years

200520042003200220012000199919981997199619951994199319921991199019891988198719861985198419831982198119801979197819771976197519741973197219711970196919681967196619651964
View all Cadillac Deville years →

1984 Cadillac Deville: Frequently Asked Questions

What is the most common problem with the 1984 Cadillac Deville?
The most commonly reported issue with the 1984 Cadillac Deville is related to the engine and engine cooling:engine:gasoline, with 2 complaints filed with NHTSA.
Is the 1984 Cadillac Deville reliable?
The 1984 Cadillac Deville has 6 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How much does it cost to fix 1984 Cadillac Deville problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 1984 Cadillac Deville have any recalls?
Yes, the 1984 Cadillac Deville has 1 recall on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Cadillac Deville problems start?
Based on 1 complaints with mileage data, the median mileage at time of complaint is 90,995 miles. The highest concentration of reported issues occurs in the 90–120K mile range. The full report breaks down exactly which components fail at each mileage bracket.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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