Hyundai Sonata Hybrid problems by year
849 complaints across 5 model years, 2011–2017. 2012 draws the most at 217; 2017 the fewest at 124.
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.