Mercedes GLA-Class (2014) is 1195 kg (2,635 lbs) lighter and has 107 liters (3.78 ft3) bigger cargo space than Rolls-Royce Phantom Coupe (2015).
Rolls-Royce Phantom Coupe (2015) is 1195 mm (47.05 inch) longer, 183 mm (7.20 inch) wider and 104 mm (4.09 inch) higher than Mercedes GLA-Class (2014).