Chevrolet Impala Limited (2016) is 451 mm (17.76 inch) longer, 62 mm (2.44 inch) wider, 342 kg (754 lbs) lighter and has 85 liters (3.00 ft3) bigger cargo space than Land Rover Defender (2020).
Land Rover Defender (2020) is 530 mm (20.87 inch) higher than Chevrolet Impala Limited (2016).
