Chevrolet Sonic (Sedan) (2017) is 86 mm (3.39 inch) higher, 359 kg (791 lbs) lighter and has 31 liters (1.09 ft3) bigger cargo space than Lexus IS (2014).
Lexus IS (2014) is 249 mm (9.80 inch) longer and 76 mm (2.99 inch) wider than Chevrolet Sonic (Sedan) (2017).