Audi R8 (2015) is 21 mm (0.83 inch) wider and 217 kg (478 lbs) lighter than Dodge Challenger (2014).
Dodge Challenger (2014) is 577 mm (22.72 inch) longer, 205 mm (8.07 inch) higher and has 360 liters (12.71 ft3) bigger cargo space than Audi R8 (2015).