2001 Mitsubishi Diamante: Reliability Data

93
Total Complaints
60,000mi
Median Mileage
Heater Core
Top Issue
0
Crash Reports

When Do Complaints Happen?

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

45,000 25th Percentile
60,000 Median Mileage
75,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Heater Core
51
Cooling System
6
Engine And Engine Cooling
5
Defroster/Defogger/Hvac System
4
Tires
4
Control Module (Tcm/Pcm/Tecm)
3
Front
3
Rotor
2
Antilock/Traction Control/Electronic Limited Slip
1
Accelerator Pedal
1

Severity Assessment

0
Crashes
0
Fires
6
Injuries
0
Deaths

Sample Complaint Reports

"WHILE DRIVING THE ACCELERATOR PEDAL STUCK AFTER DEPRESSED DUE TO A FRAYED THROTTLE CABLE, IN ADDITION THE TRACTION CONTROL LIGHT CAME ON AND WAS BLINKING ON AND OFF(ATTORNEY FOR CLIENT). NLM"
"WHILE DRIVING THE ACCELERATOR PEDAL STUCK AFTER DEPRESSED DUE TO A FRAYED THROTTLE CABLE, IN ADDITION THE TRACTION CONTROL LIGHT CAME ON AND WAS BLINKING ON AND OFF(ATTORNEY FOR CLIENT). NLM"
"ORIGINAL EQUIPMENT MOUNTED ON A 2001 MITSUBISHI DIAMONTE, TIRE SIZE P215/60R16. WHILE DRIVING 68 MPH, RIGHT REAR TIRE BLEW OUT, CAUSING SLIGHT LOSS OF CONTROL. *AK GOODYEAR EAGLE GA, DOT NUMBER T0X82JM22800. *JB"

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 51 complaints
25th: 43,926 mi Median: 60,000 mi 75th: 75,000 mi
Cooling System 6 complaints
Median: 45,000 mi
Engine And Engine Cooling 5 complaints
25th: 57,075 mi Median: 63,050 mi 75th: 69,750 mi
Defroster/Defogger/Hvac System 4 complaints
25th: 49,900 mi Median: 55,600 mi 75th: 60,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

CA: 17 NY: 10 FL: 7 TX: 6 VA: 6 CO: 4 CT: 4 GA: 4 IL: 3 MD: 3

Who Files Complaints?

34.4%
Original Owners
65.6%
Second+ Owners

Mitsubishi Diamante — Other Years

See how this model compares across different model years.

YearComplaintsCrashes
1992602
19934310
1994336
1997513
1998351
1999260
2000633
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