BMW 3 series and Audi A4 have the same engine power, but BMW 3 series torque is 70 NM less than Audi A4. BMW 3 series reaches 100 km/h speed 0.5 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.3
5.7
Real fuel consumption:
7.5 l/100km
8.1 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.4 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 60 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.6 litres less fuel per 100 km than the Audi A4.
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
300'000 km
380'000 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:
5 years
4 years
Engine spread:
Used also on BMW 1 sērija
Used also on Audi A5
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.62 m
4.70 m
Width:
1.81 m
1.83 m
Height:
1.42 m
1.43 m
Both cars are similar in size. BMW 3 series is 8 cm shorter than the Audi A4, 2 cm narrower, while the height of BMW 3 series is 1 cm lower.
Trunk capacity:
480 litres
480 litres
Turning diameter:
11.3 meters
11.4 meters
The turning circle of the BMW 3 series is 0.1 metres less than that of the Audi A4.
Audi A4 has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 35 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
