what is the best used 7 seater car to buy?
['Citroen Grand C4 SpaceTourer.', 'Skoda Kodiaq.', 'Ford Galaxy.', 'Volvo XC90.', 'Kia Sorento.', 'Land Rover Discovery Sport.', 'Hyundai Santa Fe.', 'BMW 2 Series Gran Tourer.']