Promit

I was thinking about this today, reading about the Mazda CX-50. If you don't know, the CX-50 offers two powertrains from Mazda, the corporate 2.5 and 2.5 turbo setups that are basically common across the lineup. But Mazda has now rolled out the CX-50 Hybrid, featuring the complete engine and hybrid system from Toyota as seen in the Rav4 and others.

Another example I know of is the Lotus Emira, which is well known for offering either the Toyota V6 that Lotus has offered for many years or the new Mercedes-AMG i4 turbo.

Given the complexity of modern powertrains and their integration with the ECUs, BCMs, and myriad CANBUS modules of cars, it's always surprising to see this type of multi-manu