You do not mention if you are talking about new or used ?
Anything used with a battery in is suffering from noticeable depreciation at the moment and could prove a good buy?
If the battery system is of recent design and spec I would not be that bothered about longevity up to 8 years so what does your "quite long" mean?

Honda and Mini will give a very different driving experience which I would have thought could bring a conclusion to the matter? Not better but different.
If you look for a BEV or PHEV then include the cost of the wallbox if you want it charged quickly?
Do check out the insurance difference as part of the sale as some car insurance companies are going nuts about the potential for batter cars as posted elsewhere.
Servicing on PHEV/MHEV which carry the complexity of both can often be higher, worth investigating, BEV is often lower.
Looking at the way the current govm't is acting the tax benefits of MHEV/PHEV are likely to expire quite quickly if I had to guess.

I had a go in a Vauxhall Corsa the other day and was surprised how much I liked it, half a size up though?

With the current depressed sales state of the car market the ex-dem and almost new stuff floating around is very attractive.

HTH.

Everyone loves a Morgan. Even me, unless it's broken again.