Buick Regal Sportback (2020) is 515 mm (20.28 inch) longer, 67 mm (2.64 inch) wider and has 93 liters (3.28 ft3) bigger cargo space than Toyota C-HR (2020).
Toyota C-HR (2020) is 110 mm (4.33 inch) higher and 282 kg (622 lbs) lighter than Buick Regal Sportback (2020).