Nissan Sentra (2015) is 252 mm (9.92 inch) longer, 39 mm (1.54 inch) wider, 391 mm (15.39 inch) higher and has 266 liters (9.39 ft3) bigger cargo space than Porsche Cayman (2014).
Porsche Cayman (2014) is 197 kg (434 lbs) lighter than Nissan Sentra (2015).