BMW 8 Series (G14) (2020) is 5 mm (0.20 inch) wider than Honda Crosstour (2015).
Honda Crosstour (2015) is 160 mm (6.30 inch) longer, 223 mm (8.78 inch) higher, 253 kg (558 lbs) lighter and has 100 liters (3.53 ft3) bigger cargo space than BMW 8 Series (G14) (2020).