BMW X7 (2018) is 734 mm (28.90 inch) longer, 265 mm (10.43 inch) wider, 289 mm (11.38 inch) higher and has 328 liters (11.58 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2017).
Chevrolet Sonic (Sedan) (2017) is 1159 kg (2,555 lbs) lighter than BMW X7 (2018).