I broke this out separately from the overall EV discussion.I'm not qualified to compare the a rebadging/reengineering costs of a Tesla into a Toyota but if I were a Board member or stockholder I'd go positively frantic should that suggestion be made. As many car companies have already discovered, your brand is the single most valuable asset your company owns. Once lost it won't be coming back anytime soon. Tesla sounds like a bridge too far.
Had Toyota bought Tesla, Landtuna, it wouldn't have been as complex as you think. It would have been primarily the acquisition of an electric vehicle platform that could then be used in Toyota and Lexus vehicles.
If Toyota had wanted to continue Tesla as a brand (and there certainly was equity to be had), fixing the problems would have been pretty easy:
First, stung by its own "unintended acceleration" scandal 15 years ago (for which it paid $1.2 billion in a court settlement), Toyota would have ashcanned Tesla FSD (Full Self-Driving) on day one. Those cars would have the same adaptive cruise control capabilities as Toyotas and Lexuses and nothing more.
The poor build quality isn't a component issue, it's a workmanship issue. Toyota would have fixed that rapidly, even if it meant shutting down the assembly line for a week or two. Toyota's familiar with the plant---it's the old GM Fremont assembly plant, which Toyota co-owned with GM in the 80s and 90s during the NUMMI partnership.
Beyond workmanship and FSD, there's really not that much wrong with Tesla vehicles. If there were a component issue, Toyota had the resources to either fix it, or contract with a supplier who'd provide a better product---very likely someone they were already doing business with.
Most of what's wrong with Tesla vehicles comes from Elon Musk's attitude that he's selling software that comes with a car.
As Kelly A notes, the stock price has ballooned to a point that a Toyota buyout of Tesla today is not gonna happen. But five years ago, when a share of Toyota's stock was worth roughly double a share of Tesla's, that could have happened.
What I (and a lot of people in the automotive industry) underestimated was Toyota's reluctance to produce EVs. It's become clear in the past two years that upper management was too deeply invested in gasoline-electric hybrids and hydrogen fuel cell vehicles at the time to position themselves for mass-market EV production. Now that the writing is on the wall, they've partnered with Subaru for the bZ4X/Subaru Solterra, which is a half-hearted effort that will sell to loyalists of the two brands that want an EV, but won't win any converts from Tesla, Hyundai, Kia, Ford or GM.
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