BMW 3 Series Touring (2015) is 370 kg (816 lbs) lighter than BMW 5 Series Gran Turismo (2017).
BMW 5 Series Gran Turismo (2017) is 371 mm (14.61 inch) longer, 90 mm (3.54 inch) wider, 130 mm (5.12 inch) higher and has 5 liters (0.18 ft3) bigger cargo space than BMW 3 Series Touring (2015).