BMW 3 Series Gran Turismo (2018) is 166 kg (366 lbs) lighter than BMW 5 Series Touring (2018).
BMW 5 Series Touring (2018) is 182 mm (7.17 inch) longer, 67 mm (2.64 inch) wider, 57 mm (2.24 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2018).