BMW 8 Series (G15) (2019) is 418 mm (16.46 inch) longer and 92 mm (3.62 inch) wider than Chevrolet TrailBlazer (2020).
Chevrolet TrailBlazer (2020) is 323 mm (12.72 inch) higher, 354 kg (780 lbs) lighter and has 296 liters (10.45 ft3) bigger cargo space than BMW 8 Series (G15) (2019).