Chevrolet HHR vs Mazda CX-9
Owner complaints, worst years and recall history side by side, from official NHTSA data. Last verified Sep 22, 2026. Raw complaint counts are not adjusted for sales volume.
Chevrolet HHR
- Total complaints
- 3,574
- Avg per model year
- 596
- Recall campaigns (all years)
- 7
- Most complained year
- 2006 (1,006)
Top problems: Steering, Electrical System, Air Bags
Mazda CX-9
- Total complaints
- 1,445
- Avg per model year
- 87
- Recall campaigns (all years)
- 13
- Most complained year
- 2012 (221)
Top problems: Service Brakes, Engine, Power Train
Complaints by model year
| Year | Chevrolet HHR | Mazda CX-9 | ||
|---|---|---|---|---|
| 2011 | 203 | 170 | ||
| 2010 | 515 | 195 | ||
| 2009 | 508 | 59 | ||
| 2008 | 616 | 172 | ||
| 2007 | 726 | 86 |
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.