BMW 8 Series (G14) (2020) is 1159 mm (45.63 inch) longer, 304 mm (11.97 inch) wider and has 27 liters (0.95 ft3) bigger cargo space than Chevrolet Spark (2015).
Chevrolet Spark (2015) is 210 mm (8.27 inch) higher and 904 kg (1,993 lbs) lighter than BMW 8 Series (G14) (2020).