Chevrolet Sonic (Sedan) (2014) is 142 mm (5.59 inch) longer and 16 kg (35 lbs) lighter than Mazda 6 Atenza (2017).
Mazda 6 Atenza (2017) is 33 mm (1.30 inch) wider, 26 mm (1.02 inch) higher and has 99 liters (3.50 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2014).
