BMW 3 Series Touring (2015) is 483 kg (1,065 lbs) lighter than Ford Flex (2017).
Ford Flex (2017) is 492 mm (19.37 inch) longer, 445 mm (17.52 inch) wider, 297 mm (11.69 inch) higher and has 728 liters (25.71 ft3) bigger cargo space than BMW 3 Series Touring (2015).