BMW 3 Series Touring (2019) is 101 mm (3.98 inch) higher, 273 kg (602 lbs) lighter and has 150 liters (5.30 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
BMW 8 Series (G14) (2019) is 130 mm (5.12 inch) longer and 75 mm (2.95 inch) wider than BMW 3 Series Touring (2019).