Bentley Continental GT (2014) is 308 mm (12.13 inch) longer, 157 mm (6.18 inch) wider and has 58 liters (2.05 ft3) bigger cargo space than Opel Ampera (2017).
Opel Ampera (2017) is 45 mm (1.77 inch) higher and 613 kg (1,351 lbs) lighter than Bentley Continental GT (2014).