BMW 7 Series (2016) is 72 mm (2.83 inch) longer, 12 mm (0.47 inch) higher, 97 kg (214 lbs) lighter and has 56 liters (1.98 ft3) bigger cargo space than Dodge Challenger (2020).
Dodge Challenger (2020) is 21 mm (0.83 inch) wider than BMW 7 Series (2016).