"How reliable is the 1990 Mitsubishi Montero?"

"Based on 25 NHTSA complaints, the 1990 Mitsubishi Montero has a median complaint mileage of 0 miles. The most common issue is Buckle Assembly."

"What are common problems with the 1990 Mitsubishi Montero?"

"The most frequently reported component in NHTSA complaints for the 1990 Mitsubishi Montero is Buckle Assembly, accounting for a significant portion of the 25 total complaints filed."

1990 Mitsubishi Montero: Reliability Data

Source: NHTSA — 25 complaints

Total Complaints

Buckle Assembly

Top Issue

Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

Buckle Assembly

Engine

Exterior

Linkages

Hoses, Lines/Piping, And Fittings

Belts And Associated Pulleys

Fuel Injection System

Pedal/Hand Lever(Motorcycle)

Shaft Pitman

Exhaust System

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"SEAT BELT; FRONT PASSENGER SIDE SEAT BELT BUCKLE INSIDE PLASTIC BROKE. TT"

"THE BOTH SEAT BELT BUCKLE PIECE OF THE PLASTIC BROKE AND FALL INSIDE THE BUCKLE HARD TO LOCK. TT"

"THE RED BUTTON BROKE INTO PIECES AND FELL INTO BUCKLE, CAUSING THE SEAT BELT TO BE UNUSABLE. TT"

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

Where Are Complaints Coming From?

Top states by complaint count.

WA: 4 CA: 3 CO: 2 OH: 2 OR: 2 MD: 2 MI: 1 VA: 1 WI: 1 PR: 1

Who Files Complaints?

12%

Original Owners

88%

Second+ Owners

Mitsubishi Montero — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1991	22	-	Engine	0
1994	35	185,000	Engine	3
1995	106	143,000	Engine	8
1996	40	-	Unknown Or Other	0
1997	85	110,500	Antilock/Traction Control/Electronic Limited Slip	7
1998	91	89,500	Front	13
1999	47	84,000	Automatic Transmission	4
2000	68	109,000	Antilock/Traction Control/Electronic Limited Slip	8
2001	213	103,530	Vacuum	16
2002	132	84,000	Service Brakes	11
2003	53	67,000	Service Brakes, Hydraulic	6

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