BMW 4 Series (2013) is 430 kg (948 lbs) lighter than BMW 5 Series Touring (2017).
BMW 5 Series Touring (2017) is 358 mm (14.09 inch) longer, 75 mm (2.95 inch) wider, 195 mm (7.68 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than BMW 4 Series (2013).