They used to be a good quality multi piece rim. As you probably know, they were ridiculously popular and fitted to basically every old Mazda, Datsun, Ford or Holden etc. But these days they are just a 1 piece cast rim (hence the low cost) and made in China. My friend bought a set about 5 years ago to put on his car and they are definitely nothing special these days. Personally I dont think they suit modern cars either, but thats subjective as its just my opinion.
Sounds nice. In the meantime just enjoy the fact you have a nice brand new car - and hopefully one without any error lights on the dash.