BMW X1 (2018) is 22 mm (0.87 inch) longer, 86 mm (3.39 inch) wider, 82 mm (3.23 inch) higher and has 83 liters (2.93 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2014).
Chevrolet Sonic (Sedan) (2014) is 212 kg (467 lbs) lighter than BMW X1 (2018).