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 0.6 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.2
8.8
Real fuel consumption:
9.5 l/100km
9.0 l/100km
By specification BMW 3 series consumes 1.6 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 240 litres of fuel. But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.5 litres more fuel per 100 km than the Audi A4.
Fuel tank capacity:
63 litres
63 litres
Full fuel tank distance:
870 km in combined cycle
710 km in combined cycle
1120 km on highway
950 km on highway
660 km with real consumption
700 km with real consumption
Drive type
Wheel drive type:
Rear wheel drive (RWD)
4x4 - AWD (all-wheel-drive)
Audi A4 2004: 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:
350'000 km
360'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
7 years
4 years
Engine spread:
Installed on at least 3 other car models, including BMW 5 sērija, BMW X3, BMW Z4
Installed on at least 5 other car models, including Skoda Octavia, Audi A3, Seat Altea, Seat Leon
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.
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
Audi A4 2007 2.0 engine: This engine is often noted for its excessive oil consumption and significant carbon buildup, which primarily affect intake valves and the intake geometry adjustment mechanism. The oil consumption issue can be ... More about Audi A4 2007 2.0 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 fewer problems. According to annual technical inspection data BMW 3 series has serious deffects in 20 percent more cases than Audi A4, so Audi A4 quality is probably better
