Audi R8 (2015) is 21 mm (0.83 inch) wider and 288 kg (635 lbs) lighter than Dodge Challenger (2015).
Dodge Challenger (2015) is 572 mm (22.52 inch) longer, 170 mm (6.69 inch) higher and has 360 liters (12.71 ft3) bigger cargo space than Audi R8 (2015).