BMW 3 Series Touring (2019) is 150 kg (331 lbs) lighter than BMW 7 Series (2017).
BMW 7 Series (2017) is 385 mm (15.16 inch) longer, 75 mm (2.95 inch) wider, 38 mm (1.50 inch) higher and has 15 liters (0.53 ft3) bigger cargo space than BMW 3 Series Touring (2019).