BMW 8 Series (G14) (2018) is 418 mm (16.46 inch) longer and 92 mm (3.62 inch) wider than Chevrolet TrailBlazer (2019).
Chevrolet TrailBlazer (2019) is 325 mm (12.80 inch) higher, 453 kg (999 lbs) lighter and has 366 liters (12.93 ft3) bigger cargo space than BMW 8 Series (G14) (2018).