Right, time for a glass of perspective here
Firstly,
What type of environment do you do most of your driving in?
How often do you use the car per day (e.g. twice- once to work, once back)?
What's the maximum distance you'd expect to use THIS car from your home?
What parking facilities do you have? (i know parts of Edinburgh where and Aygo would struggle with on street parking!)
Essentially what I'm driving at is this...
Is a Prius going to be a better option than your current diseasal destroyer, or a fully EV?
Short hops/town only driving/50 miles max from home would be EV material
Long haul= diseasal
and secondly.. is your name Kenneth?(dont worry its an old Billy Connolly joke!)
Why not get a nearly new (i know the boss has issues with OLD cars (>4yrs) fabia 1.4 TDI?
It'll take Jnr, and according to what i'm seeing lately, it sippeth the fuel...
I'm not saying dont get a prius, i'm just asking if its right