Toyota plans a 500,000-square-foot facility at its San Antonio plant to make drivetrain parts such as transmissions, driveshafts, axles and wheels. The $531 million project will add more than 400 full-time jobs. The site builds the Tundra pickup and the hybrid-only Sequoia SUV. The plant Toyota Texas sits on about 2,000 acres in southern Bexar County and has been building vehicles for nearly two decades. The Tundra and Sequoia are assembled on the same line, and the plant built about 181,000 vehicles in 2023. Toyota's total investment there has passed $4.7 billion. Part of a wider push The project was one of several Toyota drivetrain investments in 2024. Earlier the same month, Toyota said it would spend $282 million to add drivetrain production lines at its Huntsville, Alabama engine plant, which supplies engines to seven Toyota vehicle plants in North America. What Toyota said Toyota Texas president Susann Kazunas pointed to the long-term job stability the investment represents. Toyota did not give a construction timeline or name the exact parts it would make.