The Sonata offers sharp styling and premium tech at a price that undercuts the Accord, but the 2011-2019 Theta II engines were catastrophic, seized motors, oil consumption, and rod bearing failures between 60k-100k miles, with dealerships often fighting warranty claims. The 2020 redesign brought fresh looks and the 2022+ SmartStream engines show real improvement, but depreciation still reflects the older models' sins. Walk past anything pre-2020; current-gen buyers get genuine value and a 10-year warranty, but you're betting Hyundai has truly fixed what broke.
A spacious highway cruiser that rewards diligent maintenance but punishes neglect with German-car repair bills. The 2.0 TDI diesels earn genuine loyalty from high-mileage owners who stay religious about oil changes and timing chain monitoring, routinely crossing 200k miles without drama. The catch: older generations rust predictably on fenders and hatches, electrical systems develop parking brake and climate control failures, and transmission longevity depends entirely on whether previous owners followed DSG service intervals. Specialty variants like the W8 and R36 attract enthusiasts willing to wrench, but mainstream buyers face $1,500 timing jobs and declining parts availability as VW dealerships exit some markets. Buy a well-maintained newer example if you value space and refinement over driving thrills and can budget $800-1,200 annually for proper Euro-shop care. Skip it if you want Honda-level simplicity or can't verify complete service records, deferred maintenance turns these into money pits fast.