BMW 1 series and BMW 3 series have the same engine power, the torque is the same for both cars. BMW 1 series reaches 100 km/h speed 0.2 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
4.8
4.8
Fuel tank capacity:
51 litres
63 litres
Full fuel tank distance:
1060 km in combined cycle
1310 km in combined cycle
1240 km on highway
1530 km on highway
850 km with real consumption
1050 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
350'000 km
350'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration:
18 years
18 years
Dimensions
Length:
4.36 m
4.58 m
Width:
1.75 m
1.78 m
Height:
1.42 m
1.40 m
BMW 1 series is smaller, but slightly higher. BMW 1 series is 22 cm shorter than the BMW 3 series, 3 cm narrower, while the height of BMW 1 series is 2 cm higher.
Trunk capacity:
370 litres
440 litres
BMW 3 series has more luggage space. BMW 1 series has 70 litres less trunk space than the BMW 3 series.
Turning diameter:
10.7 meters
11 meters
The turning circle of the BMW 1 series is 0.3 metres less than that of the BMW 3 series.
BMW 1 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 1 series quality could be a bit better.
