BMW 8 Series (G15) (2020) is 13 mm (0.51 inch) longer and 74 mm (2.91 inch) wider than Peugeot 508 (2017).
Peugeot 508 (2017) is 146 mm (5.75 inch) higher, 249 kg (549 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than BMW 8 Series (G15) (2020).
Size difference at a glance
BMW 8 Series (G15) (2020) is 0.3% longer than Peugeot 508 (2017).
BMW 8 Series (G15) (2020) is 4% wider than Peugeot 508 (2017).
BMW 8 Series (G15) (2020) is 9.8% lower than Peugeot 508 (2017).
BMW 8 Series (G15) (2020) is 15.8% heavier than Peugeot 508 (2017).
BMW 8 Series (G15) (2020) is 20.8% smaller in cargo space than Peugeot 508 (2017).
Overall footprint
BMW 8 Series (G15) (2020) has a 4.3% larger overall footprint (length × width).