. I imagine most your mileage is motorway Jez? An Insight on the motorway isn't really in its element anyway as you will get similiar from a diesel in terms of £/mile but plenty of grunt when needed and the diesel NVH isnt so much of an issue at speed. The Insight type car is better for around town or lower speed/lots of roundabouts etc A roads, as it there is no where near the drop off in terms of MPG, the noise benefit is far more evident (high throttle demand + CVT aside) and warms up quicker.
I'd imagine its replacement will actually be a smaller engined W221 S-Class, as to be honest i dont really like any other (affordable day to day) cars.with the way OP speaks about his epic money handling i can only see paying £272 a month for 5 years for a dull hybrid being a total failure.

I don't have any problem managing what I need its controlling what I have it that's the problem if that makes any sense, i.e I know at all times I have to have at least enough in my account to cover all bills I will be receiving that month (i.e WoW sub, mobile phone bill, etc) and so adding the £272 to the "do not go below" limit wouldn't be a problem.
My problem is when the is non-needed money sitting in my account I start looking at new phones, computer upgrades, holidays, I spend more on nights out, etc. Basically paying bills I can cope with, saving I suck balls at.
Thats pretty tragic if the first bill that pops into your head is WoW subs![]()

5 years is a long time what happens if at any point you lose your job?
Diesels are not a consideration for me with the way our car allowance/benefits system works. Out of pure interest what weould you expect from an insight at a cruise controlled 70mph?![]()

If it's anything like my Auris I 'only' average about 44mpg from it, doing 80% motorway stuff just sat at 70-ish day in day out.
It's pants compared to an infinitely more pleasant-to-drive conventional diesel though....and even compared to a conventional petrol it's a bit of a struggle as the CVT box is just an annoyance, although it is quite easy to drive.

10k got me a brand new yaris I get to keep at the end of the finance agreement.
Buy a car within your means

Assuming the Auris is a hybrid, I bet it would be much better than a normal petrol Focus if it was sat in stop-start traffic all day. The motorway is not a place to compare hybrids and conventional vehicles.Thats pretty pants compared with anything really, a normal petrol focus will manage that :/ What a pointless car if thats all it does!![]()
Assuming the Auris is a hybrid, I bet it would be much better than a normal petrol Focus if it was sat in stop-start traffic all day. The motorway is not a place to compare hybrids and conventional vehicles.