Audi R8 (2019) is 9 mm (0.35 inch) longer and 139 mm (5.47 inch) wider than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 254 mm (10.00 inch) higher, 260 kg (573 lbs) lighter and has 195 liters (6.89 ft3) bigger cargo space than Audi R8 (2019).