Nearly 3000 miles since I bought my latest plus 8 in Feb when it only had 8000 miles on it, it's 18 years old!
Far better for the usage, and although I loved the plus four I owned for two years prior, it was the burble or lack of it, not the cost of petrol that lured me back to a V8.
Having had four plus 8's never considered the cost of running, and when I did and disposed of my last one, it only made me realise that life is just too short to worry.
Skiing like mad now.
Aka Spending the Kids Inheritance.