Reliability & cost of ownership
Mitsubishi Diamante Reliability & Common Problems
How reliable is the Mitsubishi Diamante? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for a full reliability and repair-cost forecast.
Mitsubishi Diamante problems by model year
14 recall entries and 407 owner complaints on file across 9 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2004 Diamante | 1 | 3 | No NCAP test | Reliability forecast → |
| 2003 Diamante | 2 | 56 | No NCAP test | Reliability forecast → |
| 2002 Diamante | 3 | 123 | No NCAP test | Reliability forecast → |
| 2001 Diamante | 2 | 78 | No NCAP test | Reliability forecast → |
| 2000 Diamante | 3 | 51 | No NCAP test | Reliability forecast → |
| 1999 Diamante | 2 | 23 | No NCAP test | Reliability forecast → |
| 1998 Diamante | 1 | 27 | No NCAP test | Reliability forecast → |
| 1997 Diamante | 0 | 34 | No NCAP test | Reliability forecast → |
| 1995 Diamante | 0 | 12 | No NCAP test | Reliability forecast → |
Most-complained-about components
Owner complaints filed with NHTSA against the Mitsubishi Diamante, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- visibility210 complaints
- engine and engine cooling86 complaints
- power train40 complaints
- service brakes37 complaints
- hydraulic33 complaints
- electrical system17 complaints
- tires14 complaints
- fuel system14 complaints