BMW 3 Series Gran Turismo (2020) is 4 mm (0.16 inch) higher, 32 kg (71 lbs) lighter and has 143 liters (5.05 ft3) bigger cargo space than Buick LaCrosse (2016).
Buick LaCrosse (2016) is 177 mm (6.97 inch) longer and 29 mm (1.14 inch) wider than BMW 3 Series Gran Turismo (2020).