The BYD Seal DM-i is a plug-in hybrid mid-size sedan manufactured by BYD Auto since 2023. It was introduced in a prototype form at Auto Shanghai as the BYD Destroyer 07. The Seal DM-i is positioned in the range as a cheaper alternative to the older and more luxurious related Han. It went on sale in September 2023 in China.

Auto Shanghai, officially known as the Shanghai International Automobile Industry Exhibition, is a biennial international automobile show that alternates with the Beijing Auto Show as China's yearly international automotive exhibition. First held in 1985, Auto Shanghai is the nation's oldest auto exhibition, and is considered as an important major international auto show.