Mercedes B-Class (2018) is 118 mm (4.65 inch) higher, 262 kg (578 lbs) lighter and has 186 liters (6.57 ft3) bigger cargo space than Opel Ampera (2020).
Opel Ampera (2020) is 105 mm (4.13 inch) longer and 1 mm (0.04 inch) wider than Mercedes B-Class (2018).
Size difference at a glance
Mercedes B-Class (2018) is 2.3% shorter than Opel Ampera (2020).
Mercedes B-Class (2018) is 0.1% narrower than Opel Ampera (2020).
Mercedes B-Class (2018) is 8.2% taller than Opel Ampera (2020).
Mercedes B-Class (2018) is 15.8% lighter than Opel Ampera (2020).
Mercedes B-Class (2018) is 62% larger in cargo space than Opel Ampera (2020).
Overall footprint
Opel Ampera (2020) has a 2.4% smaller overall footprint (length × width).
