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:
143 HP
184 HP
Torque:
320 NM
380 NM
Acceleration 0-100 km/h:
9.5 seconds
7.7 seconds
BMW 3 series is a more dynamic driving. Audi A4 engine produces 41 HP less power than BMW 3 series, whereas torque is 60 NM less than BMW 3 series. Due to the lower power, Audi A4 reaches 100 km/h speed 1.8 seconds later.
Fuel consumption
Fuel consumption (l/100km):
4.7
4.7
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Average engine lifespan:
480'000 km
330'000 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
17 years
Engine spread:
Used also on Seat Exeo
Installed on at least 6 other car models, including BMW 5 sērija, BMW 1 sērija, BMW X3, BMW X1
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:
4.70 m
4.62 m
Width:
1.83 m
1.81 m
Height:
1.44 m
1.43 m
Both cars are similar in size. Audi A4 is 8 cm longer than the BMW 3 series, 2 cm wider the height of the cars does not differ significantly.
Trunk capacity:
490 litres
495 litres
Trunk max capacity: with rear seats folded down
no data
1500 litres
Audi A4 has 5 litres less trunk space than the BMW 3 series.
Turning diameter:
11.4 meters
11.3 meters
The turning circle of the Audi A4 is 0.1 metres more than that of the BMW 3 series.
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
