It's true much of it is a re-hash of the earlier one, hence the logo on the front 'Remade Remodelled 50th Anniversary Edition'. Presumably the first one was sufficiently successful to prompt this re-print.
It's 24 pages longer so there are a few differences. It's also printed on much higher quality paper which gives it a more 'substantial' feel. Overall, I'd say it's worth the price. Incidentally, the cover price is £10.99 but ordered online it's £8.99 which includes UK postage (
https://pocketmags.com/uncut-magazine/roxy-music-the-ultimate-guide?gclid=Cj0KCQjwwfiaBhC7ARIsAGvcPe6djxoF7eYmBemiE0nPLAFvA9jMGXxwH5kuYwu3TChd6x1gvW3MKSgaAkDwEALw_wcB&gclsrc=aw.ds )