BMW 6 Series Gran Coupe (2016) is 643 mm (25.31 inch) longer, 175 mm (6.89 inch) wider and has 72 liters (2.54 ft3) bigger cargo space than Kia Rio (Sedan) (2015).
Kia Rio (Sedan) (2015) is 63 mm (2.48 inch) higher and 887 kg (1,955 lbs) lighter than BMW 6 Series Gran Coupe (2016).
