Generally multi fit wheels are as follows
4x108/ 4x114.3 (ford and early jap)
4x100/ 4x108 (rover, honda, mazda etc And ford)
That will not help you.
Tell me the wheel and all codes & markings from the back.
Rover and ford have different centre bores aswell so you'll need a set of spigot rings to rover (56.1 or 64.1mm) to fit in the wheel to centralise them on the car properly.