Mazda CX-9 problems by year
1,209 complaints across 6 model years, 2008–2018. 2012 draws the most at 263; 2016 the fewest at 142.
Read this first
Complaint volume tracks how many cars were sold as much as how reliable they were. A popular model year will always look worse than a rare one. Compare the dominant failure system between years rather than the raw totals.