BMW 8 Series (G14) (2019) is 543 mm (21.38 inch) longer and 132 mm (5.20 inch) wider than Honda Civic (2015).
Honda Civic (2015) is 131 mm (5.16 inch) higher, 658 kg (1,451 lbs) lighter and has 51 liters (1.80 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
