BMW 5 Series Gran Turismo (2015) is 151 mm (5.94 inch) longer, 40 mm (1.57 inch) wider and 89 mm (3.50 inch) higher than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 580 kg (1,279 lbs) lighter and has 53 liters (1.87 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2015).
