BMW 8 Series (G14) (2018) is 207 mm (8.15 inch) longer and 38 mm (1.50 inch) wider than Volvo S60 (2015).
Volvo S60 (2015) is 144 mm (5.67 inch) higher, 366 kg (807 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than BMW 8 Series (G14) (2018).