If I understand right and you're only wanting this car for the charger, I would say pay the price that you would pay for the charger (unless that's more than what the full car is worth) if you think it's ok.

If I don't understand you right and you want this car as absolutely anything else, even as a fancy garden shed, I'd walk a few steps, then jog a few, then sprint the rest of the way home with your money...