Yes, it is possible to convert a gasoline car to an electric car. Converting a gasoline car to an electric car is a little more complicated than just throwing in a shiny new crate engine, but the process isn’t really that different.
How to Convert a Gas Car to an Electric Vehicle
If you are comfortable with that kind of work, then the conversion process is probably not beyond your means. For everyone else, paying a qualified technician to convert your current car is probably still more affordable than buying a brand new electric car.
Anyone can convert a gasoline car to run on electricity, but the difficulty and feasibility of the project depend on a number of factors.
Some vehicles are easier to convert than others, as some automakers sell conversion kits for their older vehicles (but most do not).