Buick Regal (2017) is 3 mm (0.12 inch) higher than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 24 mm (0.94 inch) longer, 3 mm (0.12 inch) wider, 125 kg (276 lbs) lighter and has 151 liters (5.33 ft3) bigger cargo space than Buick Regal (2017).
