Rolls-Royce Phantom (2014) is 2393 mm (94.21 inch) longer, 269 mm (10.59 inch) wider, 157 mm (6.18 inch) higher and has 289 liters (10.21 ft3) bigger cargo space than Vauxhall Adam (2015).
Vauxhall Adam (2015) is 1613 kg (3,556 lbs) lighter than Rolls-Royce Phantom (2014).