2003 Mitsubishi Diamante

● Typical for this model
2003 Mitsubishi Diamante
RENDERED 2026-08-02T10:42:51.959Z

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 PER YEAR

Complaints per year, Mitsubishi Diamante Bar chart of distinct NHTSA complaints filed per model year, 2003 highlighted. 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 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

VISIBILITY 43%

43% of complaints: visibility — 24 distinct reports on file.

ENGINE AND ENGINE COOLING 20%

20% of complaints: engine and engine cooling — 11 distinct reports on file.

ENGINE AND ENGINE COOLING 9%

9% of complaints: engine and engine cooling — 5 distinct reports on file.

VISIBILITY 5%

5% of complaints: visibility — 3 distinct reports on file.

TIRES 5%

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

R 20040329 — equipment

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

R Date not on file — equipment

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

▲ 1997 ● 1992 ● 2000

WORST YEARS

■ 2002 ◆ 2001 ● 2000

See all years ranked →

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.