BMW Z4 vs smart Fortwo
Owner complaints, worst years and recall history side by side, from official NHTSA data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
BMW Z4
- Total complaints
- 1,226
- Avg per model year
- 75
- Recall campaigns (all years)
- 29
- Most complained year
- 2003 (414)
Top problems: Steering, Air Bags, Electrical System
smart Fortwo
- Total complaints
- 285
- Avg per model year
- 34
- Recall campaigns (all years)
- 5
- Most complained year
- 2008 (139)
Top problems: Engine, Power Train, Electrical System
Complaints by model year
| Year | BMW Z4 | smart Fortwo | ||
|---|---|---|---|---|
| 2016 | 4 | 21 | ||
| 2015 | 5 | 6 | ||
| 2014 | 7 | 13 | ||
| 2013 | 7 | 25 | ||
| 2012 | 5 | 8 | ||
| 2011 | 46 | 16 | ||
| 2010 | 10 | 6 | ||
| 2009 | 22 | 100 | ||
| 2008 | 19 | 139 |
Method. Complaints are unique NHTSA reports per model year. A model that sold more units will naturally accumulate more complaints — compare the shape across years, not just the raw totals, and read the year pages for what actually fails.