BMW 3 Series Touring (2015) is 46 mm (1.81 inch) higher, 55 kg (121 lbs) lighter and has 55 liters (1.94 ft3) bigger cargo space than BMW 4 Series (2020).
BMW 4 Series (2020) is 135 mm (5.31 inch) longer and 41 mm (1.61 inch) wider than BMW 3 Series Touring (2015).
Size difference at a glance
BMW 3 Series Touring (2015) is 2.8% shorter than BMW 4 Series (2020).
BMW 3 Series Touring (2015) is 2.2% narrower than BMW 4 Series (2020).
BMW 3 Series Touring (2015) is 3.3% taller than BMW 4 Series (2020).
BMW 3 Series Touring (2015) is 3.4% lighter than BMW 4 Series (2020).
BMW 3 Series Touring (2015) is 12.5% larger in cargo space than BMW 4 Series (2020).
Overall footprint
BMW 4 Series (2020) has a 5% smaller overall footprint (length × width).
