1999 Cadillac Seville

No clear pattern

21.1% of complaints about the 1999 Cadillac Seville arrived in its first year of service. That is an unusual figure for a 1999 vehicle, but with only 90 complaints on record the sample is too small to call it a pattern — the margin of error covers the range where ordinary vehicles sit. The figures below are reported without a verdict. The most-reported system is engine cooling (18 complaints), typically at 4.3 yr or about 54,000 miles.

Complaints: 90
Median age at failure: 3.7 yr
Median mileage: 52,000 n=29
Crash / fire / tow: 8.9% of reports
Safety recalls: 1

Safety recalls — NHTSA campaigns

99V070000 1999-04-12

Electrical system:alternator/generator/regulator

VEHICLE DESCRIPTION: PASSENGER VEHICLES. AN ELECTRICAL SHORT CAN DEVELOP IN THE GENERATOR, EVEN WHEN THE ENGINE IS OFF.

THE ELECTRICAL SHORT COULD CAUSE AN ENGINE COMPARTMENT FIRE THAT COULD SPREAD TO THE REST OF THE VEHICLE AND ANYTHING NEAR IT.

In owners’ own words

Engine cooling mileage not reported 6 mo in service

WHILE DRIVING VEHICLE HESITATES WHICH MAY CAUSE A CRASH. DEALER CANNOT DETERMINE THE CAUSE. PLEASE PROVIDE FURTHER INFORMATION. *AK

Engine cooling mileage not reported 1.9 yr in service

WHILE DRIVING IN THE RAIN AT LOW SPEEDS POWER STEERING WAS SUDDENLY LOST. THIS HAPPENED ON THREE SEPARATE OCCASIONS. ALSO, I HEARD A HIGH PITCHED WHIRRING SOUND AS IF THE SERPENTINE BELT WAS SLIPPING. THE DEALER'S MECHANIC COULD FIND NOTHING WRONG.*AK

Engine cooling mileage not reported 3.8 yr in service

ONGOING PROBLEM WITH ENGINE STALLING WHILE DRIVING AT MULTIPLE SPEED. VEHICLE BEEN TO THE DEALER ON SIX OCCASIONS, AND PROBLEM STILL OCCURRING. FEEL FREE TO PROVIDE ANY FURTHER INFORMATION.*AK

Other Seville model years

How to read this

This is what owners reported, not a reliability rating. People file with NHTSA about alarming failures, not routine ones, and complaint volume tracks how many cars were sold.
Failure ages come from the incident date on each complaint, populated on about 83% of records. Mileage is shown where reported — NHTSA’s 2021 system change cut mileage capture to roughly 15%, so it thins out sharply after MY2020.
Every rank compares this vehicle only against others of the same model year. A 2025 car has not had time to accumulate five-year failures, so comparing early-failure share across years is meaningless.
Fourteen make-months distorted by media storms and mass recalls — Toyota in February 2010 ran 11× normal volume across 33 models — are excluded.
Recalls are manufacturer actions and authoritative; complaints are not. A recall listed here may already have been performed on any individual car. Check a specific VIN at nhtsa.gov/recalls.

1999 Cadillac Seville

When each system is reported — middle 50% of complaints

Safety recalls — NHTSA campaigns

In owners’ own words

Other Seville model years

How to read this