New model is a new model. Not just update of existing. It must go on sale. So actual people can buy it. Maybe they can buy it on 31 dec and get it next year, it is okay, main point “go on sale”.
If just a deposit can be put - also counts.
Currently we have 6 “on sale”: S 3 X Y Cybertruck and Semi.
Semi is probably semi-available, but if it will become wider available it does not count.
New models on sale - how many?
PS: Vehicles! No robots allowed.
PPS: Since question started it is -2!? Not great
1,000People are also trading
Also if only new model produced is the Cybercab but it isn't sold to public because regulation prevents sale of vehicle without steering wheel, does this resolve as zero or might it resolve as 1 if Tesla sells them to a subsidiary company doing robotaxis business?
What if there is an internal notional sale to a different business segment in the same company? Such 'transactions' would be eliminated when reporting at company level but might appear in internal management accounts.