Sources suggest Swansway Garages is the buyer of the VW site. Inchcape would not disclose the buyers for any of the businesses that had been sold.
The group said the move was in line with its strategy to dispose of non-core UK assets.
Both of the businesses were part of European Motor Holdings, which Inchcape bought at the start of this year.
Inchcape also sold its three Maranello Ferrari and Maserati outlets at the start of October.