"How reliable is the 1990 Cadillac Deville?"

"Based on 111 NHTSA complaints, the 1990 Cadillac Deville has a median complaint mileage of 100000 miles. The most common issue is Vehicle Speed Control."

"What are common problems with the 1990 Cadillac Deville?"

"The most frequently reported component in NHTSA complaints for the 1990 Cadillac Deville is Vehicle Speed Control, accounting for a significant portion of the 111 total complaints filed."

1990 Cadillac Deville: Reliability Data

Source: NHTSA — 111 complaints

111

Total Complaints

100,000mi

Median Mileage

Vehicle Speed Control

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

95,346 25th Percentile

100,000 Median Mileage

160,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Vehicle Speed Control

Antilock/Traction Control/Electronic Limited Slip

Foundation Components

Wheel Cylinders

Gasoline

Engine

Tires

Frontal

Disc

Tank Assembly

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"VEHICLE HAD UNWANTED ACCELERATION DRIVER HAD TO TURN OFF IGNITION TO STOP THE VEHICLE. TT"

"WHEEL CYLINDER SEALS LEAKED, SOAKING BRAKE LININGS. *SKD"

"POWER ANTENNA FAILED. *SKD"

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Vehicle Speed Control 16 complaints

Median: 95,346 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 12 HI: 12 FL: 9 TX: 7 IL: 7 NY: 7 PA: 6 MI: 6 AL: 6 MD: 5

Who Files Complaints?

24.3%

Original Owners

75.7%

Second+ Owners

Cadillac Deville — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1991	105	105,000	Antilock/Traction Control/Electronic Limited Slip	9
1992	181	109,000	Tank Assembly	17
1993	123	126,554	Antilock/Traction Control/Electronic Limited Slip	13
1994	185	88,690	Engine	12
1995	197	103,000	Gasoline	7
1996	281	89,000	Hydraulic Power Assist System	14
1997	339	82,000	Antilock/Traction Control/Electronic Limited Slip	5
1998	310	73,000	Headlights	19
1999	239	65,000	Side/Window	19
2000	312	65,000	Electrical System	54
2001	239	78,000	Electrical System	30
2002	237	63,500	Electrical System	30
2003	208	68,500	Electrical System	21
2004	210	68,872	Electrical System	17
2005	132	80,000	Electrical System	17

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28