BMW 8 Series (G15) (2018) is 13 mm (0.51 inch) longer and 74 mm (2.91 inch) wider than Peugeot 508 SW (2016).
Peugeot 508 SW (2016) is 146 mm (5.75 inch) higher, 349 kg (769 lbs) lighter and has 110 liters (3.88 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
Size difference at a glance
BMW 8 Series (G15) (2018) is 0.3% longer than Peugeot 508 SW (2016).
BMW 8 Series (G15) (2018) is 4% wider than Peugeot 508 SW (2016).
BMW 8 Series (G15) (2018) is 9.8% lower than Peugeot 508 SW (2016).
BMW 8 Series (G15) (2018) is 22.2% heavier than Peugeot 508 SW (2016).
BMW 8 Series (G15) (2018) is 20.8% smaller in cargo space than Peugeot 508 SW (2016).
Overall footprint
BMW 8 Series (G15) (2018) has a 4.3% larger overall footprint (length × width).