Assistance por favor* 4runner to Taco

Whats happen y'all, I am in a predicament. I have a toyota 4runner and absolutely love the off-road capabilities as well as looks,; and I also have a peasant Cammry. I am looking to trade in the Cammry for possibly a Tacoma. I understand that there are many different models(x-runner, taco, pre-runner) and eventhough I have been researching what the differences are it appears that they are mostly cosmetic, is there truth here? I am in and out of Colorado as often as I can and everytime I'm there I take the Runner off-roading and have never had a problem with the how durable and powerful that beast is in climbing power. My question is that if I were to purchase the tacoma, would it be a machine that would have problems climbing mountains and trails? The 4runner and Tacoma both have a 4.0 v6 but are configuered different, so another confuser. I am somewhat new at all of this but I have a good perspective and catch on real quick, I appreciate the help fellas

- Mulf