BMW 3 Series Gran Turismo (2020) is 326 mm (12.83 inch) longer, 41 mm (1.61 inch) wider, 69 mm (2.72 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Opel Ampera (2014).
Opel Ampera (2014) is 78 kg (172 lbs) lighter than BMW 3 Series Gran Turismo (2020).
