I need a new boring family car

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Hi all

Budget of 6k tops, needs to do as close to 50mpg as possible and ideally have 7 seats.

Looking around I seem to have 2 options

1-Megane scenic or grand scenic 1.5dci
2-vw touran

I can get a much newer megane for the money and on paper it is more frugal. I am just scared of buying a French car! Does anyone know what the. 1.5 dci engines are like and what kind of mileage they can cope with? Grand scenic that looks nice has 84k, which feels like it could be trouble!

Anything else out there? Any advice greatfully received and if you know any good places to buy in hampshire let me know

Cheers

Dave