2000 Mitsubishi Diamante: Reliability Data

63
Total Complaints
60,342mi
Median Mileage
Heater Core
Top Issue
3
Crash Reports

When Do Complaints Happen?

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

40,293 25th Percentile
60,342 Median Mileage
81,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Heater Core
20
Defroster/Defogger/Hvac System
4
Windshield
2
Frontal
2
Tank Assembly
2
Unknown Or Other
2
Service Brakes, Hydraulic
2
Exhaust System
2
Cooling System
2
Control Module (Tcm/Pcm/Tecm)
2

Severity Assessment

3
Crashes
0
Fires
7
Injuries
0
Deaths

Sample Complaint Reports

"ALL FOUR PASSENGER DOOR WINDOWS ARE DISTORTED. THIS IMPAIRS DRIVER'S VISION, AND MAKES THINGS LOOK LIKE WRINKLED. *AK"
"CANNOT HEAR HORN INSIDE THE CAR HOW CAN YOU EXPECT ANYONE ELSE TO, IT ONLY HAS ONE HORN PREVOUIS YEARS HAD TWO. *AK"
"THE WINDSHIELD WIPER COMPLETELY FAILED WHILE DRIVING IN THE RAIN. ACCORDING TO THE DEALER ENGINEER WHO INSPECTED THE UNIT, THE WIPER MOTOR FAILURE OCCURED AND THE MOTOR MUST BE REPLACED. THE COMPELTE FAILURE OF THE WIPER WAS VERY DANGEOURS WHILE DRIVING IN THE RAIN. A QUESTION NEEDS TO BE RAISED ..."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Heater Core 20 complaints
25th: 43,000 mi Median: 72,000 mi 75th: 82,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 14 DC: 5 IL: 5 IN: 4 NJ: 4 NY: 4 TX: 3 MO: 3 OH: 3 FL: 2

Who Files Complaints?

57.1%
Original Owners
42.9%
Second+ Owners

Mitsubishi Diamante — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
1992602
19934310
1994336
1997513
1998351
1999260
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