Bentley Flying Spur (2017) is 444 mm (17.48 inch) longer, 116 mm (4.57 inch) wider, 18 mm (0.71 inch) higher and has 35 liters (1.24 ft3) bigger cargo space than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 702 kg (1,548 lbs) lighter than Bentley Flying Spur (2017).