Cadillac CTS (2017) is 28 mm (1.10 inch) wider and 13 kg (29 lbs) lighter than Chevrolet Impala (2016).
Chevrolet Impala (2016) is 305 mm (12.01 inch) longer, 43 mm (1.69 inch) higher and has 86 liters (3.04 ft3) bigger cargo space than Cadillac CTS (2017).
