I have just spoken to my Haibike dealer and he told me that the Haibike warranty is not normally transferable to a second owner.
Despite this and on the basis of the excellent quality of my own Haibike Sduro FullSeven 3.0, I would advise anybody interested in anda1961's Sduro not to hang about.
Review of a similar Haibike (Trekking):
https://www.t3.com/reviews/haibike-sduro-trekking-review
This review contains the quote:
“Overall, there's no doubting the quality of the Haibike Sduro”.