IMO, the two bikes are nearly identical in what you get with the exception of SRAM vs Shimano brakes & drivetrains. You need to decide which you like better, some people prefer SRAM or Shimano. The Trek is cheaper and you should be able to get a test ride at a local bike shop. Also, buying the Trek will usually get you free tune-ups and local support.
If it were my decision, I'd probably choose the Stache, but go with what you think you would like the most.
Also look around, you might find one of the two bikes you are interested in used, here is a Stache for sale near me, probably too far away for you though: Trek, Stache 6, MTB,
Isn't the Revolution fork a pretty substantial upgrade from the XC32 the trek has?
I was torn between getting the Goblin or a 2013 Trek X-cal I found locally. I ended up going with the Trek because I was able to test ride it. After riding a bike that didn't fit for two years I decided I wasn't doing that again.
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