Hyundai Sonata excessive oil consumption requiring frequent oil changes and costly flushes on Hyundai Sonata

Some Hyundai Sonata owners report experiencing excessive oil consumption, which can lead to frequent oil changes and costly maintenance. This issue is often linked to defective engines, including Nu, Gamma, Theta, Lambda, and Kappa models, resulting in increased oil top-ups and higher maintenance costs. Many owners find it essential to seek professional diagnosis to assess the severity of the problem through formal oil consumption tests at a Hyundai dealer, with potential solutions including changing the PCV valve, using engine oil flushes, and switching to higher-grade motor oil. Additionally, some owners have raised concerns about legal actions against Hyundai for allegedly selling vehicles with known engine defects that contribute to excessive oil consumption, which can lead to further engine damage. To mitigate these issues, it is advisable for owners to monitor their oil levels closely using the dipstick to track consumption rates and take timely action.