An old family photo

[drive2tractors]

This is a picture of my great grandfather on a tour of Germany before WW2. They are on a seemingly empty autobahn somewhere.
Is anyone able to identify the car they were traveling in?
Thanks
d2t

[RDMcG]

I think its a Humber Super Snipe?

[Riley Blue]

...from 1936 or thereabouts.

[RDMcG]

Here is a 1939....