Most if not all embassies have stopped selling the one year multiple entry non-O visa. I would definitely check with the embassy to see if they are selling it, it's likely they just haven't updated their web page. You could also log into the E-visa application website and do a dummy application and see if it's an available choice
You can buy and register a vehicle on any Visa. What you need as a foreigner buyer or seller is a certificate of residence from immigration besides all the regular paperwork
Anonymous participant finally be extremely careful with the OCR data inputted after the passport bio data pages have been uploaded, well known to make incorrect entries, so triple check everything after uploading and make any necessary corrections.