Bentley Continental GT Speed (2015) is 117 mm (4.61 inch) longer, 2 mm (0.08 inch) wider, 101 mm (3.98 inch) higher and has 204 liters (7.20 ft3) bigger cargo space than BMW i8 (2017).
BMW i8 (2017) is 835 kg (1,841 lbs) lighter than Bentley Continental GT Speed (2015).
Comparisons with Bentley Continental GT Speed (2015)