Car to Sleep In?

Have heard that can buy/sell back new cars in France for a reasonable cost (avoiding VAT cause am foreigner). Am thinking touring July/Aug/Sept, does anyone know what model/make cars one person (me) can use to sleep periodically?

Supposedly some French cars have seat fold-downs configurations for a decent nights sleep. Its always good to have the option of sleeping in a car from time-time. So again, what make/model cars lay-out configs?

Thanks
-J

Something like the Suzuki APV seems like an idea.
Small on the outside, but loads of room inside.
The back seats remove, leaving a lot of open space.

https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcQg6PrIb_Hp4ecLkQYEjR7iMXRlSz0ukmpRD2jgT5p5gtJMvYYlZw


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