Cadillac ATS Coupe (2017) is 262 kg (578 lbs) lighter than Ford Mustang (2014).
Ford Mustang (2014) is 121 mm (4.76 inch) longer, 74 mm (2.91 inch) wider, 2 mm (0.08 inch) higher and has 30 liters (1.06 ft3) bigger cargo space than Cadillac ATS Coupe (2017).