Audi A4 is a more dynamic driving. BMW 3 series and Audi A4 have the same engine power, but BMW 3 series torque is 20 NM less than Audi A4. BMW 3 series reaches 100 km/h speed 1.6 seconds later.
Fuel consumption
Fuel consumption (l/100km):
8.9
7.9
Real fuel consumption:
9.4 l/100km
9.4 l/100km
The Audi A4 is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 1 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 150 litres more fuel.
Fuel tank capacity:
63 litres
62 litres
Full fuel tank distance:
700 km in combined cycle
780 km in combined cycle
920 km on highway
950 km on highway
670 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:
7 years
4 years
Engine spread:
Installed on at least 2 other car models, including BMW 5 sērija, BMW Z3
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.
Dimensions
Length:
4.47 m
4.48 m
Width:
1.74 m
1.73 m
Height:
1.42 m
1.42 m
Both cars are similar in size. BMW 3 series is 1 cm shorter than the Audi A4, 1 cm wider the height of the cars does not differ significantly.
Trunk capacity:
440 litres
440 litres
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 10 percent more cases than Audi A4, so Audi A4 quality is probably slightly better
