2020 Hyundai Sonata parts and specs

The Hyundai Sonata is the brand's midsize sedan and, for much of the 2011–2025 span covered here, a cautionary tale about engine manufacturing quality alongside genuinely good value. 0T GDI engines are the center of Hyundai's biggest-ever US recall saga: manufacturing debris left in connecting-rod oil passages caused a wave of engine seizures and fires, triggering two NHTSA recalls (15V-568, then the broader 17V-226), a Knock Sensor Detection System (KSDS) software campaign, and, after a November 2020 NHTSA consent order found Hyundai and Kia had moved too slowly and misreported data, a lifetime engine warranty extension for affected owners who install the KSDS update. The same generation's Sonata Hybrid was separately recalled (23V-651) for an ABS module that could short-circuit and start an engine-bay fire, with owners told to park outside.

0L hybrid/PHEV; Theta-family warranty coverage extends into its early years. 0L) shared with the Sonata Hybrid/Hybrid Limited. 3. Because of the recall history, checking a Sonata's VIN against NHTSA and Hyundai's recall lookup before buying or servicing one is more important here than on almost any other nameplate in this database.

For how the specifications changed across every generation, see the full Hyundai Sonata guide.