BMW 3 Series Touring (2018) is 376 kg (829 lbs) lighter than BMW 5 Series Gran Turismo (2015).
BMW 5 Series Gran Turismo (2015) is 363 mm (14.29 inch) longer, 89 mm (3.50 inch) wider, 130 mm (5.12 inch) higher and has 5 liters (0.18 ft3) bigger cargo space than BMW 3 Series Touring (2018).