Kia Optima Sportswagon (2015) is 157 mm (6.18 inch) wider and 545 kg (1,202 lbs) lighter than Mazda BT-50 (2014).
Mazda BT-50 (2014) is 510 mm (20.08 inch) longer, 351 mm (13.82 inch) higher and has 604 liters (21.33 ft3) bigger cargo space than Kia Optima Sportswagon (2015).