Buick Regal Sportback (2019) is 8 mm (0.31 inch) wider and 24 kg (53 lbs) lighter than Chevrolet Impala (2020).
Chevrolet Impala (2020) is 213 mm (8.39 inch) longer, 41 mm (1.61 inch) higher and has 63 liters (2.22 ft3) bigger cargo space than Buick Regal Sportback (2019).
