Porsche 911 Turbo engine problems by year
33 NHTSA owner complaints name the engine across 2 911 Turbo model years. The most reported year is 2007 with 18 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2007 911 Turbo | 18 | 82% | 36,063 mi | |
| 2001 911 Turbo | 15 | 68% | 50,000 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.