Rolls-Royce Cullinan (2020) is 1643 mm (64.69 inch) longer, 439 mm (17.28 inch) wider, 345 mm (13.58 inch) higher and has 390 liters (13.77 ft3) bigger cargo space than Vauxhall Adam (2015).
Vauxhall Adam (2015) is 2219 kg (4,892 lbs) lighter than Rolls-Royce Cullinan (2020).