Explain?
EDIT: Ah I see you logic. BUT, you havn't seen my full financial plan for the next two years. Obviously this isn't your fault you've not seen it as I don't wish to give details of it, but the savings, if I do go through with this will be instant.
The Clio is going to cost your £2.5k
- £700 you get from the sell of the Megane
= £1.8k you will have to spend now.
So if you save £1200 a year it's going to take roughly 1.5years before you are back to square one. So assuming you have the car for a while after that you will then start saving compared to the Megane.
EDIT- Just seen your edit. That's cool then. I don't care to pry into your financial plans either. Like I said, if you feel happy to go from the Megane to the Clio then I see no reason not to.