BMW 1 Series (2015) is 270 kg (595 lbs) lighter than BMW 3 Series Touring (2019).
BMW 3 Series Touring (2019) is 384 mm (15.12 inch) longer, 62 mm (2.44 inch) wider, 19 mm (0.75 inch) higher and has 140 liters (4.94 ft3) bigger cargo space than BMW 1 Series (2015).