Buick Regal Sportback (2018) is 8 mm (0.31 inch) wider than Chevrolet Impala (2019).
Chevrolet Impala (2019) is 213 mm (8.39 inch) longer, 41 mm (1.61 inch) higher, 18 kg (40 lbs) lighter and has 63 liters (2.22 ft3) bigger cargo space than Buick Regal Sportback (2018).
