The best place wh have found for Electric Cars For Sale is this place, they are specifically for economical cars as you can see from the information below.

We at ElectricCar2Buy are passionate about our customers, cars and the environment. We started our website because when we wanted to buy and sell electric cars there was no specific sites, and the sites we did find charged huge fees. We are different to the large corporate car websites you may have seen before, how?
Firstly and most importantly, care about our customers and pride ourselves on giving great customer service, secondly....WE DONT CHARGE YOU TO ADVERTISE YOUR VEHICLE! Yes, that's right, it is completely free to upload your car details and then sell it, and this means that whatever price you sell your vehicle for you keep 100% of money!
We keep our site up to date with the latest in Eco, EV, LPG, Electric and Hybrid car news. You will be up to date with all the latest car releases, and government legislation relating to electric, and eco vehicles. We ensure that we offer our customers a wide range of electric and eco cars available to purchase. Our website is designed to be user friendly, as well as being environmentally friendly. With easy to use interfaces, you are only a click away from finding your next eco car. Remember eco also means economical and that is where you will save money. We have calculated that the average car user will benefit by over twenty thousand pounds, by choosing an eco or electric car over a conventional vehicle.
Happy shopping!
Your ElectricCar2Buy Team