BMW 8 Series (G15) (2018) is 53 mm (2.09 inch) wider than Honda Accord (2014).
Honda Accord (2014) is 19 mm (0.75 inch) longer, 123 mm (4.84 inch) higher, 476 kg (1,049 lbs) lighter and has 27 liters (0.95 ft3) bigger cargo space than BMW 8 Series (G15) (2018).