BMW 4 series and BMW 3 series have the same engine power, the torque is the same for both cars. BMW 4 series reaches 100 km/h speed 0.4 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
7.6
8.2
Real fuel consumption:
9.1 l/100km
10.3 l/100km
The BMW 4 series is a better choice when it comes to fuel economy. By specification BMW 4 series consumes 0.6 litres less fuel per 100 km than the BMW 3 series, which means that by driving the BMW 4 series over 15,000 km in a year you can save 90 litres of fuel. By comparing actual fuel consumption based on user reports, BMW 4 series consumes 1.2 litres less fuel per 100 km than the BMW 3 series.
Fuel tank capacity:
60 litres
60 litres
Full fuel tank distance:
780 km in combined cycle
730 km in combined cycle
1030 km on highway
950 km on highway
650 km with real consumption
580 km with real consumption
BMW 4 series gets more mileage on one fuel tank.
Drive type
Wheel drive type:
All wheel drive (AWD, 4x4)
4x4 - AWD (all-wheel-drive)
Engines
Average engine lifespan:
420'000 km
420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
9 years
9 years
Dimensions
Length:
4.64 m
4.62 m
Width:
1.83 m
1.81 m
Height:
1.38 m
1.43 m
BMW 4 series is larger, but lower. BMW 4 series is 1 cm longer than the BMW 3 series, 1 cm wider, while the height of BMW 4 series is 6 cm lower.
Trunk capacity:
445 litres
480 litres
BMW 3 series has more luggage space. Despite its longer length, BMW 4 series has 35 litres less trunk space than the BMW 3 series. This could mean that the BMW 4 series uses more space in the cabin, so the driver and passengers could be more spacious and comfortable.
Turning diameter:
11.3 meters
11.7 meters
The turning circle of the BMW 4 series is 0.4 metres less than that of the BMW 3 series.