Accelerate the World's Transition to Sustainable Energy - to fight Anthropogenic Climate Change, page-131

Here's a bit of info on ev pricing predictions.

Note the date is quite a way out but that is for the average. I expect commuter style vehicles to be at the cross over point a bit sooner than that.

" Electric vehicles should be cheaper to buy on average than combustion vehicles in about five years, without subsidies. That’s the main conclusion from new analysis from BNEF, but the high-level summary hides a lot of nuance, and I want to highlight some of that here. "

https://www.bloomberg.com/news/newsletters/2021-05-25/hyperdrive-daily-the-ev-price-gap-narrows