BMW 5 Series Touring (2017) is 141 mm (5.55 inch) longer, 40 mm (1.57 inch) wider, 92 mm (3.62 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Kia Optima (2015).
Kia Optima (2015) is 470 kg (1,036 lbs) lighter than BMW 5 Series Touring (2017).
