Infiniti M45 engine problems by year
51 NHTSA owner complaints name the engine across 4 M45 model years. The most reported year is 2003 with 23 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2007 M45 | 4 | 15% | — | |
| 2006 M45 | 17 | 24% | 110,283 mi | |
| 2004 M45 | 7 | 16% | — | |
| 2003 M45 | 23 | 18% | 138,000 mi |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.