Opel Insignia Grand Sport (2017) is 1284 kg (2,831 lbs) lighter and has 31 liters (1.09 ft3) bigger cargo space than Rolls-Royce Phantom (2015).
Rolls-Royce Phantom (2015) is 945 mm (37.20 inch) longer, 127 mm (5.00 inch) wider and 183 mm (7.20 inch) higher than Opel Insignia Grand Sport (2017).
