BMW i8 (2017) is 14 mm (0.55 inch) wider and 166 kg (366 lbs) lighter than Ford Mustang Shelby GT350 (2020).
Ford Mustang Shelby GT350 (2020) is 127 mm (5.00 inch) longer, 84 mm (3.31 inch) higher and has 254 liters (8.97 ft3) bigger cargo space than BMW i8 (2017).