Buick Regal (2016) is 465 mm (18.31 inch) longer, 137 mm (5.39 inch) wider, 28 mm (1.10 inch) higher and has 15 liters (0.53 ft3) bigger cargo space than Kia Rio (Sedan) (2015).
Kia Rio (Sedan) (2015) is 582 kg (1,283 lbs) lighter than Buick Regal (2016).
