BMW X3 (2014) is 21 mm (0.83 inch) wider and 191 mm (7.52 inch) higher than Kia Optima Sportswagon (2015).
Kia Optima Sportswagon (2015) is 198 mm (7.80 inch) longer, 245 kg (540 lbs) lighter and has 3 liters (0.11 ft3) bigger cargo space than BMW X3 (2014).
Size difference at a glance
BMW X3 (2014) is 4.1% shorter than Kia Optima Sportswagon (2015).
BMW X3 (2014) is 1.1% wider than Kia Optima Sportswagon (2015).
BMW X3 (2014) is 13% taller than Kia Optima Sportswagon (2015).
BMW X3 (2014) is 15.8% heavier than Kia Optima Sportswagon (2015).
BMW X3 (2014) is 0.5% smaller in cargo space than Kia Optima Sportswagon (2015).
Overall footprint
Kia Optima Sportswagon (2015) has a 3% smaller overall footprint (length × width).
