Timing belt usually needs to be replaced more often than the chain, but it is usually significantly cheaper. Timing belt motors are generally quieter and less vibrating than chain motors.
Performance
Power:
90 HP
115 HP
Torque:
202 NM
280 NM
Acceleration 0-100 km/h:
15 seconds
11.3 seconds
BMW 3 series is a more dynamic driving. Audi A4 engine produces 25 HP less power than BMW 3 series, whereas torque is 78 NM less than BMW 3 series. Due to the lower power, Audi A4 reaches 100 km/h speed 3.7 seconds later.
Fuel consumption
Fuel consumption (l/100km):
6.5
6.8
Audi A4 consumes 0.3 litres less fuel per 100 km than the BMW 3 series, which means that by driving the Audi A4 over 15,000 km in a year you can save 45 litres of fuel.
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
9 years
Engine spread:
Installed on at least 4 other car models, including Volkswagen Sharan, Volkswagen Polo, Seat Toledo, Seat Cordoba
Installed on at least 2 other car models, including BMW 1 sērija, BMW X3
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
Dimensions
Length:
4.48 m
4.48 m
Width:
1.73 m
1.74 m
Height:
1.42 m
1.41 m
Both cars are similar in size. Audi A4 and BMW 3 series are practically the same length.
Trunk capacity:
390 litres
435 litres
Trunk max capacity: with rear seats folded down
1250 litres
1345 litres
BMW 3 series has more luggage space. Audi A4 has 45 litres less trunk space than the BMW 3 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 3 series (by 95 litres).
BMW 3 series has fewer problems. According to annual technical inspection data Audi A4 has serious deffects in 400 percent more cases than BMW 3 series, so BMW 3 series quality is probably significantly better
