Jaguar XJ-Series (2020) is 400 mm (15.75 inch) longer and 40 mm (1.57 inch) wider than Kia Optima Sportswagon (2017).
Kia Optima Sportswagon (2017) is 10 mm (0.39 inch) higher, 60 kg (132 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than Jaguar XJ-Series (2020).