BMW 7 Series (2018) is 72 mm (2.83 inch) longer, 12 mm (0.47 inch) higher, 37 kg (82 lbs) lighter and has 55 liters (1.94 ft3) bigger cargo space than Dodge Challenger (2020).
Dodge Challenger (2020) is 21 mm (0.83 inch) wider than BMW 7 Series (2018).