BMW 8 Series (G14) (2018) is 514 mm (20.24 inch) longer and 113 mm (4.45 inch) wider than Citroen C4 (2020).
Citroen C4 (2020) is 150 mm (5.91 inch) higher, 643 kg (1,418 lbs) lighter and has 58 liters (2.05 ft3) bigger cargo space than BMW 8 Series (G14) (2018).
Size difference at a glance
BMW 8 Series (G14) (2018) is 11.9% longer than Citroen C4 (2020).
BMW 8 Series (G14) (2018) is 6.3% wider than Citroen C4 (2020).
BMW 8 Series (G14) (2018) is 10.1% lower than Citroen C4 (2020).
BMW 8 Series (G14) (2018) is 50.2% heavier than Citroen C4 (2020).
BMW 8 Series (G14) (2018) is 14.2% smaller in cargo space than Citroen C4 (2020).
Overall footprint
BMW 8 Series (G14) (2018) has a 18.9% larger overall footprint (length × width).