COMPARE Kia Optima (2018) with Mercedes GLB-Class (2020)

Size difference at a glance

• Kia Optima (2018) is 4.7% longer than Mercedes GLB-Class (2020).
• Kia Optima (2018) is 1.4% wider than Mercedes GLB-Class (2020).
• Kia Optima (2018) is 11.4% lower than Mercedes GLB-Class (2020).
• Kia Optima (2018) is 38% lighter than Mercedes GLB-Class (2020).
• Kia Optima (2018) is 10.5% smaller in cargo space than Mercedes GLB-Class (2020).

Overall footprint

Kia Optima (2018) has a 6.2% larger overall footprint than Mercedes GLB-Class (2020) (length × width).

Side-by-side size