BMW 3 Series Touring (2019) is 24 mm (0.94 inch) longer, 147 mm (5.79 inch) higher and has 346 liters (12.22 ft3) bigger cargo space than BMW i8 (2017).
BMW i8 (2017) is 115 mm (4.53 inch) wider and 90 kg (198 lbs) lighter than BMW 3 Series Touring (2019).