I have owned a handful of yotas, Jeep, a couple samis with great reliability. On the flipside I have owned a classic Tbird (oil burner), F150 Roush shorty 2wd and my current F150 with great reliability. As mentioned the performance in both the 2.3 and 2.7 are impressive. Toyota has not had a REAL refresh in years and they do feel a bit anemic, but there is a reason they are preferred around the world. I feel us Bronco fans will be happy with the 2.7 as being the most reliable of the two engine offerings.