BMW 3 series is more dynamic to drive. BMW 3 series engine produces 18 HP more power than Audi A4, but torque is 30 NM less than Audi A4. Thanks to more power BMW 3 series reaches 100 km/h speed 0.3 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.2
8.1
Real fuel consumption:
9.9 l/100km
9.8 l/100km
By specification BMW 3 series consumes 0.9 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 135 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.1 litres more fuel per 100 km than the Audi A4.
Fuel tank capacity:
63 litres
70 litres
Full fuel tank distance:
870 km in combined cycle
860 km in combined cycle
1100 km on highway
1110 km on highway
630 km with real consumption
710 km with real consumption
Drive type
Wheel drive type:
Rear wheel drive (RWD)
Front wheel drive (FWD)
Engines
Average engine lifespan:
350'000 km
330'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
2 years
Engine spread:
Installed on at least 3 other car models, including BMW 5 sērija, BMW X3, BMW Z4
Installed on at least 3 other car models, including Volkswagen Passat, Volkswagen Golf, Audi A3
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.
BMW 3 sērija 2007 2.5 engine: On this engine, the valve seals and crankcase breather valve diaphragm tend to fail after 80-100 000 km, leading to increased oil consumption. It is recommended to choose engines manufactured in the last years ... More about BMW 3 sērija 2007 2.5 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.
