1991 Cadillac Deville: Reliability Data

Source: NHTSA — 105 complaints
105
Total Complaints
105,000mi
Median Mileage
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
Top Issue
9
Crash Reports

When Do Complaints Happen?

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

69,500 25th Percentile
105,000 Median Mileage
110,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
20
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
7
POWER TRAIN:AUTOMATIC TRANSMISSION
4
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS
3
ELECTRICAL SYSTEM:12V/24V/48V BATTERY
3
FUEL SYSTEM, GASOLINE
3
AIR BAGS:FRONTAL
3
VEHICLE SPEED CONTROL
3
ENGINE AND ENGINE COOLING:ENGINE
3
ELECTRICAL SYSTEM
3

Severity Assessment

9
Crashes
10
Fires
8
Injuries
0
Deaths

Sample Complaint Reports

"VEHICLE CAUGHT ON FIRE IN ENGINE COMPARTMENT WHILE DRIVING. TT"
"BOTH REAR ANTI-LOCK SENSORS ARE NONFUNCTIONAL, WHICH RENDERS ABS INOPERABLE. TT"
"VEHICLE CAUGHT FIRE. TT"

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

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