I doubt you could get, and make nice an SD or SDL for that price. (By make nice I mean have all the features working, suspension working, all fluids up to date, air con blowing cold, seats not sagging all over the place, etc)

I would start with a car with a lower MSRP.

-J

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1991 350SDL. 230,000 miles (new motor @ 150,000). Blown head gasket

Tesla Model 3. 205,000 miles. Been to 48 states!
Past: A fleet of VW TDIs.... including a V10,a Dieselgate Passat, and 2 ECOdiesels.
2014 Cadillac ELR
2013 Fiat 500E.