Kia Optima Sportswagon (2017) is 580 mm (22.83 inch) longer and 92 mm (3.62 inch) wider than Mazda 6 Atenza (2017).
Mazda 6 Atenza (2017) is 72 mm (2.83 inch) higher, 441 kg (972 lbs) lighter and has 81 liters (2.86 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
