Jaguar XF Sportbrake (2015) is 100 mm (3.94 inch) longer and 20 mm (0.79 inch) wider than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 13 mm (0.51 inch) higher, 305 kg (672 lbs) lighter and has 4 liters (0.14 ft3) bigger cargo space than Jaguar XF Sportbrake (2015).