BMW 3 series is more dynamic to drive. BMW 3 series engine produces 13 HP more power than Audi A4, but torque is 5 NM less 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):
6.0
8.0
Real fuel consumption:
7.7 l/100km
8.9 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 3 series consumes 2 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 300 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 3 series consumes 1.2 litres less fuel per 100 km than the Audi A4.
Fuel tank capacity:
63 litres
70 litres
Full fuel tank distance:
1050 km in combined cycle
870 km in combined cycle
1280 km on highway
1160 km on highway
810 km with real consumption
780 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
350'000 km
420'000 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:
6 years
8 years
Engine spread:
Installed on at least 2 other car models, including BMW 5 sērija, BMW 1 sērija
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.
BMW 3 sērija 2007 2.0 engine: The BMW N43 engine is built around a lightweight alloy cylinder block with a twin-cam, 16-valve head. It uses a dual-pump fuel delivery system—one located inside the tank to transfer fuel and supply the high-pressure pump, which then boosts fuel pressure up to 200 bar. Notably, the system lacks a fine fuel filter and relies only on a ... More about BMW 3 sērija 2007 2.0 engine
Dimensions
Length:
4.52 m
4.59 m
Width:
1.82 m
1.77 m
Height:
1.44 m
1.43 m
BMW 3 series is 7 cm shorter than the Audi A4, 5 cm wider, while the height of BMW 3 series is 1 cm higher.
Trunk capacity:
460 litres
442 litres
Trunk max capacity: with rear seats folded down
1385 litres
no data
Even though the car is shorter, BMW 3 series has 18 litres more trunk space than the Audi A4. The Audi A4 may have more interior space, so the cabin could be more spacious and more comfortable for the driver and passengers.
Turning diameter:
11 meters
11.1 meters
The turning circle of the BMW 3 series is 0.1 metres less than that of the Audi A4.
Audi A4 has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 3 series, so Audi A4 quality could be a bit better.
