BMW 4 Series (2020) is 24 mm (0.94 inch) wider than Peugeot 508 (2014).
Peugeot 508 (2014) is 62 mm (2.44 inch) longer, 104 mm (4.09 inch) higher, 25 kg (55 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than BMW 4 Series (2020).
Size difference at a glance
BMW 4 Series (2020) is 1.3% shorter than Peugeot 508 (2014).
BMW 4 Series (2020) is 1.3% wider than Peugeot 508 (2014).
BMW 4 Series (2020) is 7% lower than Peugeot 508 (2014).
BMW 4 Series (2020) is 1.6% heavier than Peugeot 508 (2014).
BMW 4 Series (2020) is 17% smaller in cargo space than Peugeot 508 (2014).
Summary
Peugeot 508 (2014) is the larger car on 3 of 4 key dimensions.
