Pontiac Bonneville engine and engine cooling problems by year
530 NHTSA owner complaints name the engine and engine cooling across 18 Bonneville model years. The most reported year is 1998 with 194 reports.
| Year | Engine and Engine Cooling reports | Share | Median mileage | |
|---|---|---|---|---|
| 2005 Bonneville | 1 | 4% | — | |
| 2004 Bonneville | 2 | 7% | — | |
| 2003 Bonneville | 6 | 11% | — | |
| 2002 Bonneville | 10 | 11% | — | |
| 2001 Bonneville | 22 | 17% | 96,884 mi | |
| 2000 Bonneville | 37 | 17% | 63,500 mi | |
| 1999 Bonneville | 59 | 41% | 64,008 mi | |
| 1998 Bonneville | 194 | 70% | 70,741 mi | |
| 1997 Bonneville | 50 | 34% | 98,000 mi | |
| 1996 Bonneville | 43 | 29% | 105,500 mi | |
| 1995 Bonneville | 55 | 23% | 109,644 mi | |
| 1994 Bonneville | 14 | 16% | — | |
| 1993 Bonneville | 20 | 14% | — | |
| 1992 Bonneville | 9 | 8% | — | |
| 1991 Bonneville | 3 | 14% | — | |
| 1990 Bonneville | 1 | 3% | — | |
| 1989 Bonneville | 1 | 4% | — | |
| 1987 Bonneville | 3 | 16% | — |
Share is the fraction of that year’s complaints naming the engine and engine cooling. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.