BMW 5 Series Touring (2017) is 33 mm (1.30 inch) wider, 96 mm (3.78 inch) higher and has 155 liters (5.47 ft3) bigger cargo space than Buick LaCrosse (2018).
Buick LaCrosse (2018) is 21 mm (0.83 inch) longer and 432 kg (952 lbs) lighter than BMW 5 Series Touring (2017).