BMW 5 series is a more dynamic driving. BMW 3 series engine produces 13 HP less power than BMW 5 series, whereas torque is 10 NM less than BMW 5 series. Due to the lower power, BMW 3 series reaches 100 km/h speed 0.4 seconds later.
BMW 3 series is smaller. BMW 3 series is 35 cm shorter than the BMW 5 series, 9 cm narrower, while the height of BMW 3 series is 10 cm lower.
Trunk capacity:
410 litres
520 litres
BMW 5 series has more luggage space. BMW 3 series has 110 litres less trunk space than the BMW 5 series.
Turning diameter:
10 meters
11 meters
The turning circle of the BMW 3 series is 1 metres less than that of the BMW 5 series, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
BMW 5 series has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than BMW 5 series, so BMW 5 series quality is probably slightly better