The UK car parc, the number of cars registered for UK roads, reached 35.7 million by the end of 2023, according to the Society of Motor Manufacturers' Motorparc database.
Toyota has announced a £240 million investment in its Burnaston car production facility as part of an upgrade plan backed by more than £20 million of potential government funding.
Over one million cars have been built so far in 2016, with July marking the 12th consecutive month of growth for the sector, according to the SMMT.
The UK's car industry, led by the Society of Motor Manufacturers and Traders, has called on the police to improve how it tracks car thefts.