UK new car sales rose 13.7% year-on-year in September 2025, reaching 312,891 units — the strongest September performance since 2020. Growth was broad-based across all market segments, with fleets posting the largest increase, up 16.9% to 174,336 units. Private consumer demand rose 8.9% to 131,003 units, while business registrations jumped 28.6% to 7,552 units. Strong manufacturer investment and expanded model choices, supported by the new Electric Car Grant, drove a record 72,779 new battery electric vehicle (BEV) registrations — the highest monthly volume ever. When combined with hybrids, electrified vehicles now account for the majority of all new registrations. Overall, the market is up 4.2% year-to-date, with BEV share climbing to 22.1%, following the year’s second-biggest sales month.