Actually My lil brother is currently going to UTI in Houston. I did alot of research on both of them before he decieded where to go and it basically came down to location. They are pretty much the same. Wyo has a great facility in Wy (I dont knwo about the other in PA, i think)and is pretty well recognized in the industry and the same goes for UTI they have 4 or 5 locations and I actually took a tour of the school in Houston which was very impressive! I memory serves me correctly I think that wyo tech was about 27K for the regular tech school portion and takes about 1.5 yrs. UTI is about 24K and takes 14mths. They both offer extend or additional programs but I think UTI has better dealer programs/deals with BMW, FORD and a few others.
If your thinking about going I would contact each and ask for an info packet with costs and summaries. Also I would do some checking on the surrounding areas for cost of living (rent, type of neighborhood, etc...), available/possible part time jobs, and if at all possible go there and look around for yourself, they each offer open house days and personal tours. I can honestly say that I wasnt all to up the idea of him going to the tech school instead of continuing with traditional college but after visiting the site I would say that if working on cars is what you want to do then thats where I'd go. IMO