"How reliable is the 1993 Mitsubishi Diamante?"

"Based on 43 NHTSA complaints, the 1993 Mitsubishi Diamante has a median complaint mileage of 0 miles. The most common issue is Frontal."

"What are common problems with the 1993 Mitsubishi Diamante?"

"The most frequently reported component in NHTSA complaints for the 1993 Mitsubishi Diamante is Frontal, accounting for a significant portion of the 43 total complaints filed."

1993 Mitsubishi Diamante: Reliability Data

Source: NHTSA — 43 complaints

Total Complaints

Frontal

Top Issue

Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

Frontal

Foundation Components

Automatic Transmission

Antilock/Traction Control/Electronic Limited Slip

Manual Transmission

Air Bags

Vehicle Speed Control

Rotor

Wiring

Windshield Wiper/Washer

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"SLIPPING TRANSMISSION. EXPLAIN FURHTER. TT"

"GEAR SHIFT LEVER SLIPS FROM DRIVE TO NEUTRAL GEAR. *SKD"

"FRONTAL COLLISION IMPACT 12:00 POSITION SPEED 25 MPH, AIR BAG DID NOT DEPLOY ON DRIVER SIDE. 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.

TX: 11 PA: 6 FL: 5 MS: 3 AZ: 3 MD: 2 WA: 2 MA: 2 CA: 1 TN: 1

Who Files Complaints?

Original Owners

93%

Second+ Owners

Mitsubishi Diamante — Other Years

See how this model compares across different model years.

Year	Complaints	Median Mileage	Top Issue	Crashes
1992	60	-	Gasoline	2
1994	33	-	Frontal	6
1997	51	-	Automatic Transmission	3
1998	35	58,000	Heater Core	1
1999	26	88,450	Heater Core	0
2000	63	60,342	Heater Core	3
2001	93	60,000	Heater Core	0
2002	162	63,000	Heater Core	9
2003	75	60,000	Heater Core	1

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