As has been said over and over, it's a difference between utility and comfort for the most part, I'd have loved to get a Tacoma, but I I stumbled on a Gen1 Runner (Which IMO is the only Runner to have) for a steal and I've never looked back, plus with the removable rear shell, it's like a pick-up kinda... If I were building a rig for backcountry exploration, I'd go with the Taco cause a shell makes a killer living space in the boonies, the runner can do it too, but you have to unload the stupid back seats if you have more than 2 people and fold it flat blah blah blah... It's also nice (as a rafter, Freerider and all around dirty guy) to have a pick-up cause the ******** in the back is in the back, not in the same cab as you
It matters sometimes... With the new Taco, while it's a longer/bigger rig than the runner is some ways, it's still really capable off-road straight from the dealer, and it'll still haull the family.
Cheers and No Worries
Dave