Pricing details of the upcoming G5S and G5S Plus have surfaced and they're priced right in the middle of the mid-range segment. The G5S Plus costs just a little less than the X4, though, so it's a tough buying decision.
https://www.notebookcheck.net/Pricing-details-of-the-Moto-G5S-and-G5S-Plus-revealed.238998.0.html