Buick LaCrosse (2016) is 146 mm (5.75 inch) longer and 34 mm (1.34 inch) higher than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 3 mm (0.12 inch) wider, 217 kg (478 lbs) lighter and has 176 liters (6.22 ft3) bigger cargo space than Buick LaCrosse (2016).
