Jaguar XJ-Series (2014) is 1432 mm (56.38 inch) longer, 2 mm (0.08 inch) wider and has 260 liters (9.18 ft3) bigger cargo space than Vauxhall Adam (2020).
Vauxhall Adam (2020) is 24 mm (0.94 inch) higher and 803 kg (1,770 lbs) lighter than Jaguar XJ-Series (2014).