Very cool if it comes to market, but will it go 300,000 without much fuss? Believe that is the concern of long time Toyota owners, we are used to not really having to do much to our Yotas. Diesel and boxed frame means nothing if the $1000 fuel pump and $3000 injectors go out at 100,000 miles, how much is that DEF system going to cost to replace...$3-4000?
That and it is going to cost $40K plus (closer to $50K I am guessing)....that really can't haul anything, payload is only 1600 lbs. IIRC. Sure there is a model with a 2000 lbs payload, but that is the WT with a bed delete...and no diesel available in the WT...and no diesel with the Extra Cab.
For $15K less you can buy a base Tacoma, that can't really haul anything either...but most likely it won't need much to go 300,000 miles.
I am not getting any younger, not sure I can wait and see if the Colorado will be a good reliable truck, and especially not for $40-50K, just not seeing the value. Maybe if they offered it in the WT model like the Ram and get the price point closer to $30K I could see it....even then I don't know, all my diesel owner buddies, just complain about the repair cost with their trucks.