Kia Optima (2015) is 199 mm (7.83 inch) longer, 555 kg (1,224 lbs) lighter and has 160 liters (5.65 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 30 mm (1.18 inch) wider and 194 mm (7.64 inch) higher than Kia Optima (2015).
Size difference at a glance
Kia Optima (2015) is 4.3% longer than Mercedes GLC-Class (2014).
Kia Optima (2015) is 1.6% narrower than Mercedes GLC-Class (2014).
Kia Optima (2015) is 11.7% lower than Mercedes GLC-Class (2014).
Kia Optima (2015) is 26.4% lighter than Mercedes GLC-Class (2014).
Kia Optima (2015) is 45.7% larger in cargo space than Mercedes GLC-Class (2014).
Overall footprint
Kia Optima (2015) has a 2.6% larger overall footprint (length × width).
