Audi A4 is more dynamic to drive. Audi A4 engine produces 34 HP more power than BMW 3 series, whereas torque is 35 NM more than BMW 3 series. Thanks to more power Audi A4 reaches 100 km/h speed 2.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.9
7.3
Real fuel consumption:
8.7 l/100km
8.1 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Audi A4 consumes 0.6 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Audi A4 could require 90 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 0.6 litres more fuel per 100 km than the BMW 3 series.
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a Audi A4 engine could be longer.
Engine production duration:
4 years
6 years
Engine spread:
Used also on Audi A6
Used only for this car
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. Audi A4 might be a better choice in this respect.
Dimensions
Length:
4.48 m
4.48 m
Width:
1.73 m
1.74 m
Height:
1.42 m
1.41 m
Both cars are similar in size. Audi A4 and BMW 3 series are practically the same length.
Trunk capacity:
390 litres
435 litres
Trunk max capacity: with rear seats folded down
1250 litres
1345 litres
BMW 3 series has more luggage space. Audi A4 has 45 litres less trunk space than the BMW 3 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 3 series (by 95 litres).
Turning diameter:
11.1 meters
10 meters
The turning circle of the Audi A4 is 1.1 metres more than that of the BMW 3 series, which means Audi A4 can be harder to manoeuvre in tight streets and parking spaces.
BMW 3 series has fewer problems. According to annual technical inspection data Audi A4 has serious deffects in 400 percent more cases than BMW 3 series, so BMW 3 series quality is probably significantly better
