Audi R8 (2019) is 109 mm (4.29 inch) wider and 863 kg (1,903 lbs) lighter than Mercedes GLB-Class (2020).
Mercedes GLB-Class (2020) is 212 mm (8.35 inch) longer, 419 mm (16.50 inch) higher and has 344 liters (12.15 ft3) bigger cargo space than Audi R8 (2019).