There are always going to be more challenges when selecting the best camping gear. When choosing 4 man tents you're likely to face the very same challenges as you would when picking between other forms of tents.
The secret is to be certain to have a look at all the benefits you get when you decide on a four-person tent over other dimensions. You can browse https://www.usmilitarytents.com/army-tents.aspx to buy army tents.
The largest advantage of a four-person tent is the extra size. These tents do permit you to match 3 people easily, and also four individuals to the tent. The additional size is fine, and you don't lose all the additional benefits related to smaller tents.
You're also likely to have the ability to take the tent down fairly easily and fast, something that's tough to do using the considerably larger tents. Ease of setup, and simplicity of takedown, maybe two big factors when choosing a 4 person tent.
4 person tents are still big enough to get a decent sized set, but mild enough which you could take them with you while trekking. The bigger the tent, the more weight it's, which may make hiking together almost impossible, and in the least, embarrassing.
If you believe a tent of this size will fulfill your requirements, then it may be the ideal alternative for you. If you're on the market for something bigger, I would advise looking at Two Person Tents.