To add to this discussion, Redarc and Victron are IMO targeted at two very different markets. Just look at their socials. Victron shows their products powering entire homes and million dollar yachts. Redarc show cases their products in a Tacoma. The way I look at it the Redarc is kind of like an Apple iMac. Everything is all-in-one and products within the ecosystem pair well with each other. Performs great at what it does, easy to use and form factor is compact but there is less flexibility and customization. Victron is more like a DIY PC that you put parts together a-la carte. More complicated, less streamline, larger foot print but ultimate customization.
For a vehicle based platform I'd absolutely go Redarc. In a truck or SUV you are limited on space and the less run of wires and less individual components the better. That's where the Redarc system shines. Everything is streamlined in a small package and all the components are meant to work together. I'd also select Redarc for your overland style trailers or teardrops as well.
For a larger travel trailer, slide-in camper or flatbed camper, or van applications I would get the Victron since you have more real estate to work with. Their systems allow you to maximize energy inputs. One of the BIGGEST limitations of the Redarc products is solar input charging. Apparently your charge is limited to a max input voltage of 30V on some of their products, not sure if all however. So if you're running multiple high voltage panels in series as you would in a camper the Redarc stuff can't handle the extra power those panels can harness. 4xOverland actually went over this in a recent video and explained why he changed from a Redarc system to Victron on his troopy. I believe Mario Donovan has said the same as well and why they use the National Luna DC-DC system in their Aterra XL over Redarc. The folks over at Equipt pretty much confirmed the same as well but there's obviously some bias there as well since they import National Luna stuff. On a Jeep, 4R, Tacoma the solar limitation is less of a big deal since you're likely running a single panel.
Both make great products and there's certainly some cross over but I think their target market is quite different. Just have to pick the right product for your application.