Before my Kona I had a Prius PHEV – in all the time I had it the only others ones I saw were at the Toyota garage – loads of non PHEV Prius.
But my point is there was a very noticeable difference in performance and drive between battery driven and engine – you could recharge the battery from the engine whilst driving – so on a long run I would always top the battery up on the motorway ready for the A roads – on the run from Surrey to Redruth it made a huge difference in the ability to overtake on A roads – that was the start of my EV journey.