BMW 3 Series Touring (2017) is 204 mm (8.03 inch) longer than BMW X1 (2020).
BMW X1 (2020) is 10 mm (0.39 inch) wider, 169 mm (6.65 inch) higher, 284 kg (626 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than BMW 3 Series Touring (2017).