2003 Mitsubishi Diamante
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.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1992 | 42 |
| 1993 | 29 |
| 1994 | 27 |
| 1995 | 12 |
| 1997 | 34 |
| 1998 | 27 |
| 1999 | 23 |
| 2000 | 51 |
| 2001 | 78 |
| 2002 | 123 |
| 2003 | 56 |
| 2004 | 3 |
KNOWN PROBLEM AREAS
43% of complaints: visibility — 24 distinct reports on file.
20% of complaints: engine and engine cooling — 11 distinct reports on file.
9% of complaints: engine and engine cooling — 5 distinct reports on file.
5% of complaints: visibility — 3 distinct reports on file.
5% of complaints: tires — 3 distinct reports on file.
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, 20190722
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, 20031027
SAFETY TIMELINE
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 STEP-BY-STEP
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 RECALL
Campaign 04V067000 — check if this car was fixed
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.
Campaign 04V428000 — check if this car was fixed
BUY-SMART CHECKLIST
2003 Mitsubishi Diamante — pre-purchase inspection
- Test/inspect for visibility issues (24 reports on file for this year).
- Test/inspect for engine and engine cooling issues (11 reports on file for this year).
- Test/inspect for engine and engine cooling issues (5 reports on file for this year).
- Verify recall 04V428000 (equipment) has been completed.
- Verify recall 04V067000 (equipment) has been completed.
OTHER YEARS OF THIS MODEL
BEST YEARS
WORST 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:defroster/defogger/hvac system:heater core, accounting for 43% of complaints on file.
How many recalls does the 2003 Mitsubishi Diamante have?
2 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.