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:
101 HP
116 HP
Torque:
140 NM
175 NM
Acceleration 0-100 km/h:
14.6 seconds
12 seconds
BMW 3 series is a more dynamic driving. Audi A4 engine produces 15 HP less power than BMW 3 series, whereas torque is 35 NM less than BMW 3 series. Due to the lower power, Audi A4 reaches 100 km/h speed 2.6 seconds later.
Fuel consumption
Fuel consumption (l/100km):
8.8
8.1
The BMW 3 series is a better choice when it comes to fuel economy. Audi A4 consumes 0.7 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the Audi A4 could require 105 litres more fuel.
Fuel tank capacity:
62 litres
63 litres
Full fuel tank distance:
700 km in combined cycle
770 km in combined cycle
910 km on highway
960 km on highway
BMW 3 series gets more mileage on one fuel tank.
Drive type
Wheel drive type:
Front wheel drive (FWD)
Rear wheel drive (RWD)
Engines
Average engine lifespan:
460'000 km
350'000 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:
1 years
6 years
Engine spread:
Used also on Volkswagen Passat
Used only for this car
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
no data
1345 litres
BMW 3 series has more luggage space. Audi A4 has 45 litres less trunk space than the BMW 3 series.
Turning diameter:
11.1 meters
10 meters
The turning circle of the Audi A4 is 1.1 metres more than that of the BMW 3 series, which means Audi A4 can be harder 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 40 percent more cases than Audi A4, so Audi A4 quality is probably significantly better
