TOKYO — When engineers at Toyota recently conducted a teardown study of the Tesla Model Y, it did more than expose key technological secrets of the popular American-made, full-electric crossover.
It also tore away a moldering complacency at the Japanese automaker.
What laid underneath the Model Y's sheet metal was a masterfully simplistic vehicle structure built with an advanced manufacturing prowess that would be the envy of any old-guard automaker.
"Taking the skin off the Model Y, it was truly a work of art," said one Toyota executive who scrutinized the Tesla part by part. "It's unbelievable."
Numerous executives described Toyota's new approach to Automotive News with the understanding that they would not be identified discussing internal planning.
But the grudging admiration that reverberated through Toyota's top engineering corps came with a stark realization: Toyota Motor Corp., the world's biggest automaker, for all its expertise …