BMW 3 series is more dynamic to drive. BMW 3 series engine produces 34 HP more power than Audi A4, the torque is the same for both cars. Thanks to more power BMW 3 series reaches 100 km/h speed 0.8 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
6.3
6.0
Real fuel consumption:
8.9 l/100km
8.9 l/100km
By specification BMW 3 series consumes 0.3 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 45 litres more fuel.
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
300'000 km
330'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
5 years
Engine spread:
Installed on at least 8 other car models, including BMW 5 sērija, BMW 1 sērija, BMW X3, BMW X1
Installed on at least 2 other car models, including Audi A5, Audi Q5
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:
4.62 m
4.70 m
Width:
1.81 m
1.83 m
Height:
1.43 m
1.43 m
Both cars are similar in size. BMW 3 series is 8 cm shorter than the Audi A4, 2 cm narrower the height of the cars does not differ significantly.
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