BMW 8 Series (G14) (2020) is 25 mm (0.98 inch) wider than Volvo S80 (2015).
Volvo S80 (2015) is 17 mm (0.67 inch) longer, 155 mm (6.10 inch) higher, 210 kg (463 lbs) lighter and has 130 liters (4.59 ft3) bigger cargo space than BMW 8 Series (G14) (2020).