Mercedes AMG GT (2020) is 111 mm (4.37 inch) wider than Peugeot 508 SW (2014).
Peugeot 508 SW (2014) is 284 mm (11.18 inch) longer, 198 mm (7.80 inch) higher, 70 kg (154 lbs) lighter and has 180 liters (6.36 ft3) bigger cargo space than Mercedes AMG GT (2020).