The UK Car Brands Gaining the Most Ground in May 2026
Tesla had the biggest month-on-month share gain in May, helped by a much stronger registration month than April.
Based on AutoRank registration-date records for April and May 2026. Makes are included when April plus May registrations were at least 1,000.
Biggest share gains
Percentage-point change versus April.
Tesla in May
Tesla moved from 846 April registrations to 2,786 in May.
The quick read
Tesla moved from 0.47% share in April to 1.54% in May. That was the biggest gain in the filtered table.
Jaecoo rose from 2.16% to 2.79%. Maxus moved from 0.22% to 0.68%.
Vauxhall, Land Rover, Volkswagen and Toyota also gained share month on month.
Why Tesla stands out
Tesla registrations rose from 846 in April to 2,786 in May.
That kind of jump can happen when deliveries bunch into a month. It is still worth tracking because buyers will see the effect later in used-stock supply.
Brands with the largest share gains
April share, May share and percentage-point change.