I’m not sure that’s a Nomad/Mako thing as much as a level design thing. None of the levels you can drive the Nomad on in Andromeda on are really as expansive-feeling as the better ones in ME1. Of course, if you do all the side-quests, you will experience some truly, amazingly abysmal level design for some of the planets you can drive on, which feels and almost looks, honestly, like some randomly-generated for a late 1980s game. It’s that level design that leads people to say they hate the Mako, not anything really wrong with said Mako.
I think this becomes particularly obvious with the, and I hope this isn’t a spoiler, I dunno if you finished Andromeda, but the asteroid level for the Nomad. That actually feels better than the Mako, I would strongly suggest, and it’s because it’s a level designed pretty much EXACTLY like an ME1 world-level. That plus the lower gravity (which is still a bit high-seeming for what you’re apparently on).
Of course the long-range gun in the Mako also helps the feeling of distance, given you can shoot stuff from kilometers out (well at least a kilometer or two), but except on a few specially designed levels (the actual mission levels, mostly), it largely acts as a means of avoiding dull content (the outdoor fighting) at the cost of getting fractional XP for it.
ME1’s story and characters are ridiculously ahead of Andromeda though, it’s not even funny. The characters are painted broader, cruder, strokes and tend far more towards the trope-y/predictable but… that doesn’t matter. It works. Mass Effect 1 is action-movie of a game (or action TV series), and it doesn’t matter if we have the honorable barbarian, the cop on the edge, the genius girl engineer, the brooding handsome guy, the worshipful alien lady, and so on, because we’re not here to develop nuance, we’re here to blow up robots, drive at high speed on ancient sky-roads, uncover shocking plot developments, and so on. ME2 has better characters, but not really through any more nuance, just more focus on them and punchier writing (it really rolls into the “action-movie” vibe, where ME1 sometimes occasionally mistakes itself for “serious SF” - thankfully usually briefly), but ME1 very much creates the basis for that, stylistically.
Andromeda just thinks it’s clever, when it really isn’t. Unfortunately very much like quite a number of SF novels. I mean, Alistair Reynolds’ stuff was often compared to ME, but I feel like Andromeda was closer to it, in that he likewise often has developed but SO BORING characters who it’s impossible to care about, and plot situations where you’re like “Well, that’s a creepy scenario but I don’t really care”. And that’s Andromeda all over. It’s like, yeah, maybe you’re a little more rounded/believable, but I don’t give a fuck about you sooooooo? And the plot is “Yeah, okay, whatever, I guess”. Whereas ME1 one you’re constantly all “OOOOOH” and DUN DUN DUUUUUUN and ZMOG and so on.