Audi A8 (2021) is 545 mm (21.46 inch) longer and 111 mm (4.37 inch) wider than Mercedes GLB-Class (2019).
Mercedes GLB-Class (2019) is 185 mm (7.28 inch) higher, 888 kg (1,958 lbs) lighter and has 65 liters (2.30 ft3) bigger cargo space than Audi A8 (2021).
Size difference at a glance
Audi A8 (2021) is 11.8% longer than Mercedes GLB-Class (2019).
Audi A8 (2021) is 6.1% wider than Mercedes GLB-Class (2019).
Audi A8 (2021) is 11.2% lower than Mercedes GLB-Class (2019).
Audi A8 (2021) is 61.5% heavier than Mercedes GLB-Class (2019).
Audi A8 (2021) is 11.4% smaller in cargo space than Mercedes GLB-Class (2019).
Overall footprint
Audi A8 (2021) has a 18.5% larger overall footprint than Mercedes GLB-Class (2019) (length × width).
