Audi A4 is a more dynamic driving. BMW 3 series engine produces 45 HP less power than Audi A4, whereas torque is 65 NM less than Audi A4. Due to the lower power, BMW 3 series reaches 100 km/h speed 2.7 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.8
7.9
Real fuel consumption:
8.3 l/100km
9.4 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.1 litres less fuel per 100 km than the Audi A4, which means that by driving the BMW 3 series over 15,000 km in a year you can save 15 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 1.1 litres less fuel per 100 km than the Audi A4.
Fuel tank capacity:
55 litres
62 litres
Full fuel tank distance:
700 km in combined cycle
780 km in combined cycle
660 km with real consumption
650 km with real consumption
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
420'000 km
460'000 km
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:
25 years
4 years
Engine spread:
Used also on BMW 5 sērija
Used also on Audi A6
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts. BMW 3 series might be a better choice in this respect.
Hydraulic tappets:
no
yes
The Audi A4 engine has hydraulic tappets (lifters), providing quieter operation and no need for periodic adjustment, but they are more complex in design and can cause serious engine damage in case of failure.
Dimensions
Length:
4.32 m
4.48 m
Width:
1.64 m
1.73 m
Height:
1.38 m
1.42 m
BMW 3 series is smaller. BMW 3 series is 16 cm shorter than the Audi A4, 9 cm narrower, while the height of BMW 3 series is 4 cm lower.
Trunk capacity:
425 litres
440 litres
Trunk max capacity: with rear seats folded down
425 litres
no data
BMW 3 series has 15 litres less 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.
