Buick Regal Sportback (2019) is 534 mm (21.02 inch) longer, 97 mm (3.82 inch) wider and has 40 liters (1.41 ft3) bigger cargo space than Toyota Matrix (2017).
Toyota Matrix (2017) is 94 mm (3.70 inch) higher and 410 kg (904 lbs) lighter than Buick Regal Sportback (2019).