"How reliable is the 1999 Oldsmobile Silhouette?"

"Based on 186 NHTSA complaints, the 1999 Oldsmobile Silhouette has a median complaint mileage of 69000 miles. The most common issue is ENGINE AND ENGINE COOLING."

"What are common problems with the 1999 Oldsmobile Silhouette?"

"The most frequently reported component in NHTSA complaints for the 1999 Oldsmobile Silhouette is ENGINE AND ENGINE COOLING, accounting for a significant portion of the 186 total complaints filed."

1999 Oldsmobile Silhouette: Reliability Data

Source: NHTSA — 186 complaints

186

Total Complaints

69,000mi

Median Mileage

ENGINE AND ENGINE COOLING

Top Issue

Crash Reports

When Do Complaints Happen?

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

50,750 25th Percentile

69,000 Median Mileage

100,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ENGINE AND ENGINE COOLING

STRUCTURE:BODY:DOOR

ENGINE AND ENGINE COOLING:ENGINE

POWER TRAIN:AUTOMATIC TRANSMISSION

LATCHES/LOCKS/LINKAGES:DOORS:LATCH

ENGINE AND ENGINE COOLING:COOLING SYSTEM

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

ELECTRICAL SYSTEM

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

AIR BAGS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"PROBLEM #1. ELECTRICAL HARNESS FAILURE RESULTED IN REPEATED ENGINE SHUTDOWNS WITHOUT WARNING WHILE VEHICLE WAS IN MOTION. PROBLEM #2 RESULTED IN SUDDEN LOSS OF ELECTRICAL POWER TO ALL INTERIOR AND EXTERIOR LAMPS AT NIGHT WHILE CAR WAS TRAVELING AT ABOUT 30MPH. *AK"

"WHEN GETTING INTO THE VEHICLE SHOULDER SEAT BELT COMES ACROSS CONSUMER WIFE'S NECK, CAUSING POSSIBLE SAFETY HAZARD. CONSUMER SHOWED THE DEALER AND THEY CONTACTED FACTORY, SAID THAT NOTHING COULD BE DONE. *AK.ET."

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