Buick Regal (2017) is 5 mm (0.20 inch) wider than Chevrolet Impala Limited (2014).
Chevrolet Impala Limited (2014) is 259 mm (10.20 inch) longer, 18 mm (0.71 inch) higher, 62 kg (137 lbs) lighter and has 125 liters (4.41 ft3) bigger cargo space than Buick Regal (2017).
