Hills and speeds above 65mph kill range. My husband wants to take it to littleton to work, but I think he would have to take hwy85. It is perfect for me though. Most of the time I stay around castle rock, but if I want to go to highlands ranch, it has no issues. We are going to take it to the springs Friday. We will see how that goes. Luckily my 220 charger is portable, and plugs into any dryer vent. We can charge it at my father in laws house. I'll let you know how it goes

. If it does fine it will save a lot of money on gas as we drive to the springs every weekend.