BMW 8 Series (G14) (2019) is 213 mm (8.39 inch) longer and 117 mm (4.61 inch) wider than Nissan X-Trail (2015).
Nissan X-Trail (2015) is 431 mm (16.97 inch) higher, 423 kg (933 lbs) lighter and has 215 liters (7.59 ft3) bigger cargo space than BMW 8 Series (G14) (2019).
