Kia Optima (2019) is 216 mm (8.50 inch) longer, 70 mm (2.76 inch) wider, 395 kg (871 lbs) lighter and has 68 liters (2.40 ft3) bigger cargo space than Land Rover Defender (2015).
Land Rover Defender (2015) is 551 mm (21.69 inch) higher than Kia Optima (2019).