I have to agree with GeorgeS on 2 main points.
1. True, you can still get the $2,500 in state rebate in California for a Tesla, but you get $0 from the federal government. I discounted the state rebate in my calculations, because it barely offsets the state tax you have to pay for your purchase. For the Kona EV, the state tax I had to pay was around $3,000....so the $2,500 rebate offsets most of the tax. I still get the entire $7,500 federal tax credit. Bringing in the total cost of my car to around $30,000 to $31,000.
For the Tesla M3, where the car will probably cost you around $45,000 with tax/freight charges and some basic options like paint color or sport wheels; that $2,500 rebate will barely cover the state tax portion. You get $0 federal tax credit. Bringing in the total cost of the car to around $42,000.
We are not talking a few thousand grand here, it is more like over $11,000 difference. You can do alot with that extra $11,000. I had my entire car paint-protected filmed, as well as the windshield protected filmed for $3,000.....that's is still $8,000 left over. You have to ask yourself is the Tesla worth over $11,000 compared to a Kona? If money really is not a problem, then you might as well get a Model S or X. How long will you be driving your M3 before something better comes along?
2. Complete self-driving is vaporware. Musk is a salesman. You have to plucked down an additional $5,000 for a future feature you cannot even use now. I am curious as to how many people who paid the extra $5,000 will still own their M3 by the time when complete self-driving is a reality.