Jaguar XF (2016) is 106 mm (4.17 inch) longer, 166 kg (366 lbs) lighter and has 61 liters (2.15 ft3) bigger cargo space than Kia Optima Sportswagon (2018).
Kia Optima Sportswagon (2018) is 41 mm (1.61 inch) wider and 5 mm (0.20 inch) higher than Jaguar XF (2016).