BMW 3 series is a more dynamic driving. BMW 5 series engine produces 28 HP less power than BMW 3 series, whereas torque is 15 NM less than BMW 3 series. Due to the lower power, BMW 5 series reaches 100 km/h speed 1.5 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.3
7.1
Real fuel consumption:
9.6 l/100km
8.9 l/100km
The BMW 3 series is a better choice when it comes to fuel economy. By specification BMW 5 series consumes 0.2 litres more fuel per 100 km than the BMW 3 series, which means that if you drive 15,000 km in a year, the BMW 5 series could require 30 litres more fuel. By comparing actual fuel consumption based on user reports, BMW 5 series consumes 0.7 litres more fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
70 litres
63 litres
Full fuel tank distance:
950 km in combined cycle
880 km in combined cycle
1220 km on highway
1140 km on highway
720 km with real consumption
700 km with real consumption
BMW 5 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
380'000 km
350'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
6 years
7 years
Engine spread:
Used only for this car
Installed on at least 3 other car models, including BMW 5 sērija, BMW X3, BMW Z4
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 5 sērija 2007 2.5 engine: Engine is relatively reliable. Most problems relate to the fuel injection system, spark plugs and coils, and the Vanos phase control system. Problems with the high pressure fuel pump were common in early model ... More about BMW 5 sērija 2007 2.5 engine
BMW 3 sērija 2008 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 2008 2.5 engine
Dimensions
Length:
4.84 m
4.53 m
Width:
1.85 m
1.82 m
Height:
1.47 m
1.42 m
BMW 5 series is larger. BMW 5 series is 31 cm longer than the BMW 3 series, 3 cm wider, while the height of BMW 5 series is 5 cm higher.
Trunk capacity:
520 litres
460 litres
BMW 5 series has more luggage capacity. BMW 5 series has 60 litres more trunk space than the BMW 3 series.
BMW 5 series has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 3 series, so BMW 5 series quality could be a bit better.
