BMW 8 Series (G14) (2020) is 76 kg (168 lbs) lighter than Subaru Ascent (2021).
Subaru Ascent (2021) is 165 mm (6.50 inch) longer, 28 mm (1.10 inch) wider, 480 mm (18.90 inch) higher and has 1317 liters (46.51 ft3) bigger cargo space than BMW 8 Series (G14) (2020).