BMW 3 Series Gran Turismo (2021) is 13 mm (0.51 inch) higher and 144 kg (317 lbs) lighter than Chevrolet Impala (2018).
Chevrolet Impala (2018) is 287 mm (11.30 inch) longer, 25 mm (0.98 inch) wider and has 12 liters (0.42 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2021).