BMW 8 Series (G15) (2020) is 213 mm (8.39 inch) longer and 63 mm (2.48 inch) wider than Nissan Sentra (2015).
Nissan Sentra (2015) is 343 mm (13.50 inch) higher, 222 kg (489 lbs) lighter and has 8 liters (0.28 ft3) bigger cargo space than BMW 8 Series (G15) (2020).