Mercedes GLC-Class (2017) is 18 mm (0.71 inch) higher and 594 kg (1,310 lbs) lighter than Rolls-Royce Phantom (2014).
Rolls-Royce Phantom (2014) is 1435 mm (56.50 inch) longer, 99 mm (3.90 inch) wider and has 109 liters (3.85 ft3) bigger cargo space than Mercedes GLC-Class (2017).