Hyundai is complementing its standard 10-year, 100,000-mile warranty by adding a "lifetime battery replacement guarantee" for the Sonata Hybrid, the only hybrid the South Korean automaker sells.

Nowhere is that clandestine addition of electrons more surreptitious than in midsize sedans like the 2025 Hyundai Sonata Hybrid. Hyundai's regular Sonata -- now in its eighth generation -- is gas ...

Hyundai has put longtime mid ... thanks to a direct-injection 4-cylinder engine, the Sonata has fuel-efficiency and power performance numbers that are both better than most base-model mid-size sedans.