'20 CX-30 AWD, 2000 Millenia & 2006 Mazda3
It looks to me like the two example pics appear to me to be from two different sides of a CX-30. The OP's missing piece of cladding appears to be from the right side of the car. The other (red) car was a pic from the left side. What's under the cladding on each side of the car could be completely different...