Which Tucson model years should buyers absolutely avoid and why?
Avoid the 2011 through 2020 Tucson units equipped with the 2.0L or 2.4L Theta II GDI engine. These powerplants were subject to a Canadian class-action settlement for excessive oil consumption and, in documented cases, connecting-rod bearing failure without prior warning. Hyundai extended powertrain warranty coverage to 10 years/200,000 km on affected VINs and deployed the KSDS knock-sensor detection software. Before purchasing any 2011-2020 Tucson, run the VIN at a Hyundai dealer to confirm the KSDS update is installed and no outstanding short-block replacement campaign is open. The 2022+ Tucson with the 2.5L Smartstream engine is entirely free of this issue and represents a clean-slate powertrain with a strong early reliability record.
























