This is incorrect on several accounts. First of all I suppose the 2019 is a typo and should be 2018 because neither Tesla (to my knowledge) nor me have estimated specific model 3 margins for that particular quarter. They (and I) did for 2018Q4. That said, my 2018 Q4 estimate was 16%. 14% is my Q3 estimate. Secondly, Tesla is not guiding high 20's by then. It is saying "slightly below 20%". Here is the full relevant exchange from the last quarterly conf call
I may possibly have somewhat lower delivery estimates than Tesla anticipates which makes the fixed cost contribution weigh heavier. That'd explain why I have (now) 17% while Elon is saying slightly above, slightly below 20%. Also (speculative) Elon is talking about gross margin around the end of year (ie December), while my estimate is for the full quarter. Other than that, I think my model is very well in line with guidance from management.
Edit : regarding the Munro&German research, there is always the element of Tesla M3 manufacturing not yet in a steady state (half foot in hell as Elon says). Winding that down is costly and takes time. We saw that with the X where margins gradually got better and I think Deepak in the quote above is saying the same thing (take out labor). Another element is that Tesla is simply not (yet?) an accomplished manufacturer that manages production costs down to a level of best in class which their research may assume. Finally, making your suppliers wait when you predicted a much quicker rampup is going to cost you. You may have to inhouse stuff, you may need to pay penalties, your cash cycle goes from generating money to costing you money, you may not qualify for volume discounts as quickly as you hoped for etc... It all adds up and explains the difference between raw cost estimates from tear down specialist and final margin as guided by management.
Ok the primary source of confusion is I simply misread your chart (2019 v 2018).
As far as the high 20s reference, on the Q1 call Elon estimated 25% margins in mid 2019 with a goal of high 20s by late 2019 — excerpt below:
Yes, exactly. That's why it was important to clarify what these things mean. Yes, Q4 is when we expect to be on or about 20%. Then by the middle of next year, 25% gross margin should be where we are. And then we'll also try to get to the high 20s by the end of next year. Edited Transcript of TSLA earnings conference call or presentation 2-May-18 9:30pm GMT
I am assuming margins will be ~25% by EOY 2019 but it sounds like both Tesla and the tear down engineers see room to beat that eventually.
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