Chevrolet Colorado ZR2 Best Off Road Suv With Good Gas Mileage. The Chevy Colorado may be the latest entrant within the mid size vehicle class, by supplying a quantity of unique models that’ll attract all kinds of customers plus they are getting it by surprise. They will have got the diesel that was only real obtainable in a mid size vehicle also it gets best-in-class 22 town/30 hwy. Fresh for 2017 is definitely an off road vehicle that is particular named the Co ZR2. It is targeted directly in Raptor group and the Tacoma TRD.