Peugeot 508 (2014) is 1132 mm (44.57 inch) longer, 108 mm (4.25 inch) wider, 3 mm (0.12 inch) higher and has 360 liters (12.71 ft3) bigger cargo space than Vauxhall Adam (2015).
Vauxhall Adam (2015) is 494 kg (1,089 lbs) lighter than Peugeot 508 (2014).