Chevrolet Impala Limited (2016) is 10 mm (0.39 inch) higher, 517 kg (1,140 lbs) lighter and has 18 liters (0.64 ft3) bigger cargo space than Lexus LS (2018).
Lexus LS (2018) is 117 mm (4.61 inch) longer and 23 mm (0.91 inch) wider than Chevrolet Impala Limited (2016).