BMW 3 series is more dynamic to drive. BMW 3 series engine produces 13 HP more power than Audi A4, whereas torque is 5 NM more than Audi A4. Thanks to more power BMW 3 series reaches 100 km/h speed 0.6 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.4
8.0
Real fuel consumption:
8.4 l/100km
8.5 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 0.6 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 90 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 0.1 litres less fuel per 100 km than the Audi A4.
Fuel tank capacity:
63 litres
70 litres
Full fuel tank distance:
850 km in combined cycle
870 km in combined cycle
1100 km on highway
1160 km on highway
750 km with real consumption
820 km with real consumption
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
380'000 km
420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
6 years
8 years
Engine spread:
Used only for this car
Installed on at least 2 other car models, including Volkswagen Passat, Audi A6
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
4.55 m
Width:
1.74 m
1.77 m
Height:
1.41 m
1.43 m
Both cars are similar in size. BMW 3 series is 7 cm shorter than the Audi A4, 3 cm narrower, while the height of BMW 3 series is 2 cm lower.
Trunk capacity:
435 litres
442 litres
Trunk max capacity: with rear seats folded down
1345 litres
no data
BMW 3 series has 7 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.
Audi A4 has fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 30 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
