BMW 7 Series (2020) is 103 mm (4.06 inch) longer, 52 mm (2.05 inch) higher and has 56 liters (1.98 ft3) bigger cargo space than Dodge Challenger (2018).
Dodge Challenger (2018) is 21 mm (0.83 inch) wider and 92 kg (203 lbs) lighter than BMW 7 Series (2020).