We have an MG dealer service bay opposite us on our business park. It used to be Subaru but they were having problems with customers just going away as the range is not what it was. Since they took on the MG franchise (3 years?) it is clear their business has grown significantly as they have approached everyone on the park to see if they can have spare parking slots. I pass their showroom on the way in/out and it is a lot busier than it was. MG is doing well for them if that helps.
The electric car market does seem to be causing a re-order of the popular brands, it will be interesting to see what happens when the UK starts to see Chinese RHD models start to appear.