BMW 7 Series (2020) is 703 mm (27.68 inch) longer, 167 mm (6.57 inch) wider and has 93 liters (3.28 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2017).
Chevrolet Sonic (Sedan) (2017) is 49 mm (1.93 inch) higher and 719 kg (1,585 lbs) lighter than BMW 7 Series (2020).