2011 Mazda CX-9
Crash Test Safety Ratings
CarComplaints.com Notes: The only area of real concern for 2011 Mazda CX-9 owners is the brake booster.
In 2014, Mazda extended the warranty on the 2007-2013 CX-9 brake booster to 7 years / 90,000 miles. However this extended warranty has expired, so buyer beware.
This Mazda CX-9 brake booster failure isn't terrible in terms of repair cost — it "only" costs $550 average to fix. However it is a safety issue when the brake booster fails as it increases stopping distance. Owners have reported having to stomp on the brake pedal, & crashes/injuries have been reported due to this CX-9 brake booster defect.
NCAP 5-Star Crash Test & Rollover Safety Ratings
| Driver Front | Passenger Front | Driver Side | Passenger Side | Rollover | |
|---|---|---|---|---|---|
| 2011 CX-9 SUV | not tested | not tested | not tested | not tested |  |
IIHS Crash Test & Rollover Safety Ratings
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2011 Mazda CX-9 4-door SUV
| Moderate Overlap Front | Small Overlap Driver | Small Overlap Passenger | Side | Rear1 | Rollover2 |
|---|---|---|---|---|---|
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Overall Structure Head/Neck Injury Chest Injury Left Leg Injury Right Leg Injury Restraints Full IIHS Moderate Overlap Crash Test report » |
Overall Structure Head/Neck Injury Chest Injury Hip/Thigh Injury Lower Leg Injury Restraints Full IIHS Small Overlap Driver-side Crash Test report » |
Not tested. |
Overall Structure DriverHead ProtectionHead/Neck Injury Torso Injury Pelvis/Legs Injury Rear PassengerHead ProtectionHead/Neck Injury Torso Injury Pelvis/Legs Injury Full IIHS Side Impact Crash Test report » |
Overall Geometry Dynamic Full IIHS Rear Impact Crash Test report » |
Overall Full IIHS Rollover Safety report » |
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1 — Power leather seat (AHR). 2 — Applies only to models built after June 2010. | |||||
Ratings only apply to the model and body or seat type tested. The date of manufacture and optional safety equipment can affect results. For full details see www.iihs.org.