I do think that the ones you have are replica's of the original.
styling 162 only come in 18"
wheelsize front: 8 x 18 225/40 R18Y
wheelsize back: 8,5 x 18 255/35 R18Y
styling 161 only come in 17"
wheelsize front: 8 x 17 225/45 R17W
wheelsize back: 8,5 x 17 255/40 R17W