BMW 5 Series Touring (2016) is 141 mm (5.55 inch) longer, 40 mm (1.57 inch) wider, 87 mm (3.43 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Kia Optima (2017).
Kia Optima (2017) is 455 kg (1,003 lbs) lighter than BMW 5 Series Touring (2016).
