2009 versa help !

[brucekramer613]

i drive a 2009 nissan versa, automatic, and under 2200-2400 rpms it looses power really really fast, to the point that, i need to keep the car at 95 on flat ground to keep it in overdrive, i know the car has only had a fue oil changes, but has quite a bit of bumper damage/ cosmetics, so im not sure what il get for it used/ trade in, i know it wassnt maintained because i bought it from my mom ( she needed the help) so , what should i do ,