Aston Martin Rapide (2014) is 189 mm (7.44 inch) longer and 283 mm (11.14 inch) wider than Buick Regal (2014).
Buick Regal (2014) is 133 mm (5.24 inch) higher, 325 kg (717 lbs) lighter and has 85 liters (3.00 ft3) bigger cargo space than Aston Martin Rapide (2014).
