Volkswagen looks set to reduce retailer numbers across Europe following a dealer council meeting held last week.
Vertu has reported a growth in return on sales in its 2017 half-year figures despite a 14.7% drop in like-for-like new car retail volumes.
Andrew Bailey, chief executive of the Financial Conduct Authority, has suggested car finance is unlikely to be an underlying cause of another financial crash.
New car registrations fell 9.3% in September, the first month of the 67-plate, to hit 469,696 units, according to the SMMT.
Car retailers are faced with rising levels of unsold used car stock, up 16% in a year, according to research from accountants UHY Hacker Young.