1998 Cadillac Seville: Reliability Data

Source: NHTSA — 78 complaints
78
Total Complaints
78,300mi
Median Mileage
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
Top Issue
4
Crash Reports

When Do Complaints Happen?

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

53,750 25th Percentile
78,300 Median Mileage
104,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
8
ENGINE AND ENGINE COOLING:ENGINE
6
ENGINE AND ENGINE COOLING
5
STEERING:RACK AND PINION
4
EXTERIOR LIGHTING:HEADLIGHTS
4
SUSPENSION:REAR
3
AIR BAGS:FRONTAL
3
AIR BAGS:SIDE/WINDOW
2
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
2
SERVICE BRAKES, HYDRAULIC
2

Severity Assessment

4
Crashes
3
Fires
7
Injuries
0
Deaths

Sample Complaint Reports

"DRIVING AT NIGHT HEAD LIGHTS WOULD FLICKER BACK & FORTH (DARK, LIGHT, DARK, LIGHT). PASSENGER'S SIDE HAS 10 FEET BLACKOUT. TOOK TO DEALER. TOLD HADLIGHTS ARE DESIGNED WITH A CORRIGATED REFLECTOR BEHIND THEM, AND IT THROWS A VENETIAN BLIND EFFECT ONTO HIGHWAY, LIKE SHINING A LIGHT TROUGH A BLIND/ARK..."
"VEHICLE VIBRATES BETWEEN 65 AND 70 MPH WHICH SOMETIMES CAUSES THE REAR OF THE CAR TO SKIP SIDEWAYS. *AK"
"TRACTION SENSOR FAILED."

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