BMW 3 series is more dynamic to drive. BMW 3 series engine produces 25 HP more power than Audi A4, whereas torque is 55 NM more than Audi A4. Thanks to more power BMW 3 series reaches 100 km/h speed 2.6 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.9
5.4
Real fuel consumption:
6.1 l/100km
5.6 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.5 litres more fuel per 100 km than the Audi A4, which means that if you drive 15,000 km in a year, the BMW 3 series could require 75 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.5 litres more fuel per 100 km than the Audi A4.
Both cars are similar in size. BMW 3 series and Audi A4 are practically the same length.
Trunk capacity:
435 litres
390 litres
Trunk max capacity: with rear seats folded down
no data
1250 litres
BMW 3 series has more luggage capacity. BMW 3 series has 45 litres more trunk space than the Audi A4.
Turning diameter:
10 meters
11.1 meters
The turning circle of the BMW 3 series is 1.1 metres less than that of the Audi A4, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
Audi A4 has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 40 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
