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2011 Mazda CX-9
Problems & Complaints
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.
Worst 2011 Mazda CX-9 Problems by Category
Click on a category below for details. Help?
- brakes problems
- engine problems
- drivetrain problems
- AC / heater problems
- cooling system problems
- transmission problems
- interior accessories problems
- body / paint problems
- fuel system problems
- wheels / hubs problems
- seat belts / air bags problems
- suspension problems
- miscellaneous problems
- electrical problems
- steering problems
- lights problems
- windows / windshield problems
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Compare Mazda CX-9 Model Years
Curious how the 2011 CX-9 compares to other years?
Check out our Mazda CX-9 overview to see the most problematic years, worst problems and most recently reported complaints with the CX-9.
Worst 2011 Mazda CX-9 Problems
-
#1: Engine Failure 2011 CX-9
- Average Cost to Fix:
- $10,000
- Average Mileage:
- 113,000 mi
-
#2: Brake Booster Fail 2011 CX-9
- Average Cost to Fix:
- $700
- Average Mileage:
- 103,000 mi
-
#3: Ptu Failure Takes Out Transmission 2011 CX-9
- Average Cost to Fix:
- $6,500
- Average Mileage:
- 70,000 mi