MYRModel Year Report

2003 Mitsubishi Diamante

● Typical for this model
2003 Mitsubishi Diamante
RENDERED 2026-11-01T12:52:23.596Z

This year's complaint volume is within 30% of this model's typical year.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

How is this computed?

Complaints
56
Recalls
2

Campaigns on file for 2003

Investigations
0

None on file

Top problem
Visibility

50% of complaints

Complaints per year

1992: 42 complaints 1992 1993: 29 complaints 1994: 27 complaints 1994 1995: 12 complaints 1997: 34 complaints 1997 1998: 27 complaints 1999: 23 complaints 1999 2000: 51 complaints 2001: 78 complaints 2001 2002: 123 complaints 2003: 56 complaints 2003 56 2004: 3 complaints
1992: 42 complaints 1992 1993: 29 complaints 1993 1994: 27 complaints 1994 1995: 12 complaints 1995 1997: 34 complaints 1997 1998: 27 complaints 1998 1999: 23 complaints 1999 2000: 51 complaints 2000 2001: 78 complaints 2001 2002: 123 complaints 2002 2003: 56 complaints 2003 56 2004: 3 complaints 2004
1992: 42 complaints 1992 1993: 29 complaints 1993 1994: 27 complaints 1994 1995: 12 complaints 1995 1997: 34 complaints 1997 1998: 27 complaints 1998 1999: 23 complaints 1999 2000: 51 complaints 2000 2001: 78 complaints 2001 2002: 123 complaints 2002 2003: 56 complaints 2003 56 2004: 3 complaints 2004

2003: 56 complaints

View as data table
YearComplaints
199242
199329
199427
199512
199734
199827
199923
200051
200178
2002123
200356
20043

Known problem areas

Percentages can add to more than 100% — a complaint can name more than one system.

Visibility

50% · 28 reports

Most commonly citing heater core and defroster/defogger/hvac system.

Engine and engine cooling

32% · 18 reports

Most commonly citing cooling system and engine.

Service brakes

11% · 6 reports

Most commonly citing hydraulic.

Power train

7% · 4 reports

Most commonly citing automatic transmission.

Show complaint excerpts

Tl* the contact owns a 2003 Mitsubishi Diamante. The contact stated that the heater core fluid leaked onto the central computer and caused the transmission to fail. In addition, the gear shifter could not be released from third gear.

NHTSA ODI report, 2013-03-13

Tires

5% · 3 reports
Show complaint excerpts

Tl* the contact owns a 2003 Mitsubishi Diamante equipped with cooper CS3 tires (Na). While driving 25 MPH, air from the vehicle's front driver side tire began to be released.

NHTSA ODI report, 2019-07-22

2003/Mitsubishi/Diamante vr-x on oct 18 2003 I got my new car and it has been shaking at all times it was in on Monday 20 Tuesday 21 Wednesday 22 from 22 of oct to 27 I am still not driving my car I hav no seen it and my shaking it still not...

NHTSA ODI report, 2003-10-27

Safety timeline

2 recalls · 0 investigations · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

  1. R
    2004-03-29Equipment04V067000 Certain sport utility and passenger vehicles fail to comply with Federal Motor Vehicle Safety Standard No. 225, "Child restraint anchorage systems." The owner's manual does not contain a…

    Remedy: A letter outlining the problem will be sent to owners along with a sticker containing the correct instructions as well as instructions on where to affix the sticker in the owner's manual. The…

    Check if this car was fixed →

  2. R
    Date not on fileEquipment04V428000 Certain passenger vehicles fail to conform to the requirements of Federal Motor Vehicle Safety Standard no.

    Remedy: Mitsubishi caribbean will mail a customer notification letter containing a written description and a graphic of the bi-lingual dashboard air bag warning label.

    Check if this car was fixed →

Buy-smart checklist

2003 Mitsubishi Diamante — pre-purchase inspection

Inspect

  • Visibility: 28 reports on file for this year.
  • Engine and engine cooling: 18 reports on file for this year.
  • Service brakes: 6 reports on file for this year.

Verify these recalls were completed

  • Recall 04V428000 · Equipment
  • Recall 04V067000 · Equipment
Inspected by ______________ Date ______________

Other years of this model

See all years ranked →

Best years1 year

Worst years2 years

FAQ

Is the 2003 Mitsubishi Diamante reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 2003 Mitsubishi Diamante is rated "typical".
What are the most common problems with the 2003 Mitsubishi Diamante?
The most-reported component is visibility, accounting for 50% of complaints on file.
How many recalls does the 2003 Mitsubishi Diamante have?
2 recalls on file for this model year.

Data updated 2026-10-31 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.