Curious to understand if 90k miles is too high to consider purchasing a wagon for ~$65k. Is this a deal or will it end up costing me more in the long run vs an ‘18 model year with 32k mikes and $83k price tag?

Hi there,
this is a W212 forum for E63 models up until 2017.
You will be much better off posting on the W213 forum, which includes MY 2018 E63.

Best of luck!