"How reliable is the 1990 Isuzu Trooper?"

"Based on 30 NHTSA complaints, the 1990 Isuzu Trooper has a median complaint mileage of 0 miles. The most common issue is POWER TRAIN:AUTOMATIC TRANSMISSION."

"What are common problems with the 1990 Isuzu Trooper?"

"The most frequently reported component in NHTSA complaints for the 1990 Isuzu Trooper is POWER TRAIN:AUTOMATIC TRANSMISSION, accounting for a significant portion of the 30 total complaints filed."

1990 Isuzu Trooper: Reliability Data

Source: NHTSA — 30 complaints

Total Complaints

POWER TRAIN:AUTOMATIC TRANSMISSION

Top Issue

Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

POWER TRAIN:AUTOMATIC TRANSMISSION

ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

ENGINE AND ENGINE COOLING:ENGINE

TIRES

SEAT BELTS:FRONT:BUCKLE ASSEMBLY

STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS

POWER TRAIN:DRIVELINE:DRIVESHAFT

STRUCTURE:FRAME AND MEMBERS

STEERING:HYDRAULIC POWER ASSIST SYSTEM

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"DRIVE SHAFT FELL WHILE VEHICLE WAS BEING DRIVEN. TT"

"TRANSMISSION FAILURE. *AK"

"THE PASSENGER SIDE SEAT BELT BUCKLE BROKE . 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