Rolls-Royce Phantom (2018) is 2291 mm (90.20 inch) longer, 297 mm (11.69 inch) wider, 172 mm (6.77 inch) higher and has 368 liters (13.00 ft3) bigger cargo space than Vauxhall Adam (2014).
Vauxhall Adam (2014) is 1479 kg (3,261 lbs) lighter than Rolls-Royce Phantom (2018).