When it’s titled? The instant it’s driven off the dealer’s lot? Depends upon how each state defines “used motor vehicle”? When it’s reached a certain mileage threshold? Let’s discuss!
When the plastic is removed off the seat, and the gaseous remains of a large Mexican meal are discharged upon it.
Once the car is titled. I just leased a “new” 2018 BMW with 1200 miles on the odo. Of course you can expect a discount on new cars with more than test drive and lot move miles on them.