Chevrolet Impala Limited (2014) is 406 mm (15.98 inch) longer, 277 mm (10.91 inch) higher and has 107 liters (3.78 ft3) bigger cargo space than McLaren GT (2020).
McLaren GT (2020) is 243 mm (9.57 inch) wider and 42 kg (93 lbs) lighter than Chevrolet Impala Limited (2014).