Chevrolet Impala Limited (2015) is 68 mm (2.68 inch) longer, 41 mm (1.61 inch) higher, 239 kg (527 lbs) lighter and has 68 liters (2.40 ft3) bigger cargo space than Dodge Challenger (2014).
Dodge Challenger (2014) is 71 mm (2.80 inch) wider than Chevrolet Impala Limited (2015).