Audi A4 is more dynamic to drive. Audi A4 engine produces 41 HP more power than BMW 3 series, whereas torque is 65 NM more than BMW 3 series. Thanks to more power Audi A4 reaches 100 km/h speed 2.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
9.2
5.9
Real fuel consumption:
9.0 l/100km
7.1 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification Audi A4 consumes 3.3 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 495 litres more fuel. By comparing actual fuel consumption based on user reports, Audi A4 consumes 1.9 litres more fuel per 100 km than the BMW 3 series.
Audi A4 has 4x4: The vehicle features full-time Quattro IV all-wheel drive with Torsen center differential and electronic traction control that operates at speeds up to 40 km/h and applies brakes to spinning wheels, with the effect of locking the front and rear differential.
Engines
Average engine lifespan:
460'000 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:
5 years
6 years
Engine spread:
Used only for this car
Used also on BMW 1 sērija
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.
Audi A4 2004 1.8 engine: The main known problems for this engine are turbocharger failure, ignition issues, and unstable idle.
The turbocharger frequently fails due to oil coking in the supply lines.
The ignition coils with ... More about Audi A4 2004 1.8 engine
Dimensions
Length:
4.59 m
4.52 m
Width:
1.77 m
1.82 m
Height:
1.43 m
1.42 m
Audi A4 is 7 cm longer than the BMW 3 series, 5 cm narrower, while the height of Audi A4 is 1 cm higher.
Trunk capacity:
460 litres
460 litres
Trunk max capacity: with rear seats folded down
720 litres
no data
Turning diameter:
11.1 meters
11 meters
The turning circle of the Audi A4 is 0.1 metres more than that of the BMW 3 series.
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.
