Buick LaCrosse (2014) is 623 mm (24.53 inch) longer, 212 mm (8.35 inch) higher and has 121 liters (4.27 ft3) bigger cargo space than Toyota GR Supra (2020).
Toyota GR Supra (2020) is 3 mm (0.12 inch) wider and 79 kg (174 lbs) lighter than Buick LaCrosse (2014).