FaultScore

Worst years for a Mitsubishi Diamante

Owners have filed 657 complaints about the Mitsubishi Diamante with NHTSA across model years 1992 to 2004. More of them are about the windows, mirrors & wipers than anything else.

Avoid

2002 Mitsubishi Diamante

162 complaints — the highest FaultScore of any year, mostly windows, mirrors & wipers.

Cleanest on record

1999 Mitsubishi Diamante

26 complaints — the lowest FaultScore of the graded years.

Every Mitsubishi Diamante year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2004 3 0 0 Transmission & Drivetrain
2003 C 75 1 0 60,000 Windows, Mirrors & Wipers
2002 D 162 9 0 63,000 Windows, Mirrors & Wipers
2001 C 93 0 0 60,000 Windows, Mirrors & Wipers
2000 C 63 3 0 60,342 Windows, Mirrors & Wipers
1999 A 26 0 0 88,450 Windows, Mirrors & Wipers
1998 B 35 1 0 58,000 Windows, Mirrors & Wipers
1997 C 51 3 1 Brakes
1995 C 13 3 0 Transmission & Drivetrain
1994 C 33 6 0 Airbags
1993 C 43 10 1 Airbags
1992 60 2 1 Engine & Cooling

What breaks on a Mitsubishi Diamante

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Worst in 2002

Engine & Cooling 106 16.1%

Worst in 2002

Brakes 70 10.7%

Worst in 1997

Worst in 2002

Airbags 31 4.7%

Worst in 1993

Worst in 2002

Suspension 19 2.9%

Worst in 1992

Fuel & Propulsion 19 2.9%

Worst in 2000

Tires 19 2.9%

Worst in 2001

Acceleration & Cruise Control 16 2.4%

Worst in 1993

Body & Structure 15 2.3%

Worst in 2002

Seat Belts 14 2.1%

Worst in 1994

Equipment & Accessories 12 1.8%

Worst in 2003

Steering 8 1.2%

Worst in 1992

Exactly what failed on a Mitsubishi Diamante

The named sub-assemblies behind those complaints, across every model year.

Heater Core 179 50.4%
Cooling System 38 10.7%
Automatic Transmission 32 9.0%
Frontal 23 6.5%
Rotor 20 5.6%
Defroster/Defogger/Hvac System 17 4.8%
Antilock/Traction Control/Electronic Limited Slip 16 4.5%
Gasoline 11 3.1%
Engine 10 2.8%
Foundation Components 9 2.5%

Complaints filed over time

Every complaint about every Mitsubishi Diamante, by the month it reached NHTSA.

Jan 1995 peak 16 Nov 2019

Mitsubishi Diamante problems by state

Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.

Compare the Mitsubishi Diamante

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.