Oldsmobile Alero engine problems by year
64 NHTSA owner complaints name the engine across 5 Alero model years. The most reported year is 2003 with 17 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2004 Alero | 13 | 12% | 132,106 mi | |
| 2003 Alero | 17 | 9% | 91,000 mi | |
| 2002 Alero | 12 | 4% | — | |
| 2001 Alero | 15 | 4% | 110,000 mi | |
| 2000 Alero | 7 | 1% | — |
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.