1997 Mitsubishi Diamante: Reliability Data

Source: NHTSA — 51 complaints
51
Total Complaints
Automatic Transmission
Top Issue
3
Crash Reports

What Fails?

Most reported component issues from NHTSA complaints.

Automatic Transmission
10
Rotor
5
Foundation Components
4
Exterior
2
Antilock/Traction Control/Electronic Limited Slip
2
Disc
2
Vehicle Speed Control
2
Tank Assembly
2
Radiator Assembly
2
Latch
1

Severity Assessment

3
Crashes
1
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"WHILE DRIVING AT 15 MPH ABS BRAKES FAILED VEHICLE DID NOT STOP AND CONTINUED TO MOVE HITTING VEHICLE IN FRONT. ALSO, TRANSMISSION FAILURE, RESULTING IN EXTREME SHIFTS. *AK"
"WHILE DRIVING AT 15 MPH ABS BRAKES FAILED VEHICLE DID NOT STOP AND CONTINUED TO MOVE HITTING VEHICLE IN FRONT. ALSO, TRANSMISSION FAILURE, RESULTING IN EXTREME SHIFTS. *AK"
"CONSUMER HAD TO REPLACE THE FRONT ROTORS TWICE WITHIN 8K MILES. THE DEALER HAS BEEN NOTIFIED. *AK"

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.

NY: 8 VA: 7 MD: 6 GA: 5 MA: 4 WA: 3 NC: 3 CT: 2 FL: 2 OH: 2

Who Files Complaints?

47.1%
Original Owners
52.9%
Second+ Owners

Mitsubishi Diamante — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
1992602
19934310
1994336
1998351
1999260
2000633
2001930
20021629
2003751

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