The installation rate of passenger car cockpit domain controllers in China will reach a new high in December 2025.

In December 2025, the installation rate of cockpit domain controllers in domestic passenger vehicles reached 66.7%, an increase of 21.2 percentage points compared to the same period in 2024. BYD ranked first with an installation volume of 234,000 vehicles, accounting for 15.4% of the market share. Tesla followed closely behind, with an installation volume of 93,000 vehicles that month, a year-on-year increase of 13.9%, and a market share of 6.1%.