Mazda CX-9 problems
169 owner complaints with NHTSA, no active recalls. Here's where owners say it breaks.
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 7.6/10 — above the segment average
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
Top trouble spots 7 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
My power train was supposed to be covered to 100,000 miles. When the tranfer case had to be replaced as per warning it happened at 93000 onstead of 90000 but I was told that not only eas I not covered but that the supposed warranty covered to 100000 miles was not valid either…
While driving the car on a county road, with the speed under 40 MPH, and following the bend in the road to lead to getting on the highway, the car jerked forward as if I hit something. As I continued to drive, the car was making loud clinking sounds and was jerking in motion. No…
The vehicle was identified at the dealership as having a leaking transfer case that needed to be replaced. During this replacement the transmission splines were also noted to be damaged due to the faulty transfer case. Therefore both the transfer case and transmission needed to…
Takata recall I had to put in my VIN to make an appointment for recalls & was sent a message back stating there are no recalls on my car. When I looked it up on your website it says my car is in recall for airbags and lower control arm. But according to the Mazda dealer & the…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2011 Mazda CX-9 reliable?
Mostly yes. With a reliability score of 7.6 out of 10 based on 169 owner complaints filed with NHTSA, the 2011 Mazda CX-9 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
Should you avoid the 2011 Mazda CX-9?
On the NHTSA data, the 2011 Mazda CX-9 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 7.6/10 — above the segment average. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What's the most common problem on the 2011 Mazda CX-9?
Based on NHTSA records, the most-reported issue is brakes, with 91 complaints filed. Typical failure occurs around 74,909 miles. Average repair cost runs about $450 at an independent shop.
What's the most expensive thing that goes wrong?
The brakes is one of the costlier repair items. Average repair cost runs about $450 at an independent shop. Typical failure occurs around 74,909 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Mazda CX-9 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2011 Mazda CX-9?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 169 complaints on file and the costliest repair averaging $450, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.