ONLY allowable if you’re able to treat them exactly the same in terms of time spent and in material things. The way u have phrased it makes it sound as tho any man can go out and just do it just because Prophet Mohammed (PBUH) did it.
My brother’s fiancee’s uncle has two wives over here in the UK. The story is actually pretty sad. He was taken over to Bangladesh and forced to marry someone (there was another girl he had wanted instead but she was ‘unsuitable’). Anyway wife no.1 came over and when the truth all came out she begged him not to divorce her as she would prob have trouble ‘back home’ finding someone else to marry her. He tried to do talaq but was told for some strange reason that the talaq wasn’t valid (I’m guessing it was by some cultural imam who believed he should just obey his parents, I mean forced marriages are meant to be automatically invalid anyway). He still had feelings for the original girl and the wife from ‘back home’ said she’d accept him marrying her so he went ahead and did so. I do think it’d kinda messy tho, in terms if UK law the second wife has virtually no rights if he ends up in hospital on life support or something and the kids from wife no.2 are technically illegitimate (yes, I know it’s not a big deal for non-Muslims but seriously it’s not exactly ideal in terms of security, is it). The whole situation that was described made me so uncomfortable but being honest I guess I blame his parents, knowing he wanted to marry a certain girl them shipping him off ‘back home’ to force him to marry someone else 