BYF Auto

BYD Auto Co., Ltd. is the automotive subsidiary of the publicly listed Chinese multinational manufacturing company BYD Co. Ltd., headquartered in Xi'an, Shaanxi province. It was founded in January 2003, following BYD's acquisition of Qinchuan Automobile Company in 2002. The company produces passenger cars, buses, trucks, electric bicycles, forklifts and electric vehicle batteries. BYD's current range of automobile models includes battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs), and the company also produced petrol engine vehicles up until March 2022.

BYD Auto overtook Tesla in June 2022 as the world's largest electric vehicle manufacturer, announcing it had sold about 641,000 EV's (including PHEVS) in the first half of 2022, while still trailing Tesla in the number of BEVs sold. Later in 2022, it became the first carmaker in China to build one million new energy vehicles (NEVs) — a term used in China to describe plug-in electric vehicles (BEVs and PHEVs) and fuel cell electric vehicles (FCEVs) — in a single year. On August 11, 2023, BYD celebrated the historic milestone of 5 million NEVs sold in the company's history.

As of 2021, BYD was the fourth largest plug-in electric vehicle (PIEV) and the fourth largest BEV manufacturer in the world, with 9.1% and 7% global market share, respectively. By the second half of 2023, the company has become the largest PIEV and the second largest BEV manufacturer in the world, with 21.4% and 15% global market share, respectively. The company has mainly based its sales in Mainland China but is undertaking rapid expansion into global markets such as European Union, Southeast Asia and Latin America, with sales hitting over 100,000 per month in March 2022, and was expecting to sell between 1.5 million to 2 million plug-in EVs in 2022, around 3 to 4 times the volume compared to 2021. In 2023, BYD has set goals to reach 3 million sales by the end of the year.

BYD Auto has an electric battery division, FinDreams Battery, which is the world's third largest producer of electric vehicle batteries with a global market share of 12% in the first half of 2022, and a focus mainly on lithium iron phosphate batteries. In 2023, FinDreams established a joint venture with Huaihai Holding Group, a company best known for producing electric tricycles and electric scooters, intending to establish themselves as the world's largest supplier of sodium-ion batteries.