Can you recommend a small, 'premium' car with more space than a BMW MINI?

My mother currently has a BMW MINI (her second) and she really likes the quality, quirkiness and reliability of the car. However it is now used as an only car for her and my dad, and is not big enough...

Heavy breather

Could you tell me if you think the new FIAT (I think it is called a Ventiguila or something like that) coming on the market in July with a 1,400cc engine might be a good idea? Would the Toyota Prius be...