Jaguar XK-Series (2016) is 32 mm (1.26 inch) wider than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 65 mm (2.56 inch) longer, 150 mm (5.91 inch) higher, 45 kg (99 lbs) lighter and has 239 liters (8.44 ft3) bigger cargo space than Jaguar XK-Series (2016).