The Mazda straight-six is derived from the Skyactiv straight-four. It is not from another automaker.
The new transmissions (there are two distinct series in the CX-90) are set up for rear-drive and have 8 speeds, but they are Mazda designs and not ZF units as some people seem to think they are.
The new transmissions (there are two distinct series in the CX-90) are set up for rear-drive and have 8 speeds, but they are Mazda designs and not ZF units as some people seem to think they are.