Buick Regal TourX (2020) is 746 mm (29.37 inch) longer, 87 mm (3.43 inch) wider, 198 mm (7.80 inch) higher and has 357 liters (12.61 ft3) bigger cargo space than Toyota GT86 (2017).
Toyota GT86 (2017) is 467 kg (1,030 lbs) lighter than Buick Regal TourX (2020).