BMW 4 Series (2014) is 430 kg (948 lbs) lighter than BMW 5 Series Touring (2016).
BMW 5 Series Touring (2016) 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 (2014).