Chevrolet SS (2017) is 691 mm (27.20 inch) longer and 129 mm (5.08 inch) wider than Mazda 6 Atenza (2014).
Mazda 6 Atenza (2014) is 71 mm (2.80 inch) higher, 529 kg (1,166 lbs) lighter and has 43 liters (1.52 ft3) bigger cargo space than Chevrolet SS (2017).
