The hatchback generally has more luggage space thanks to a larger trunk door opening and the ability to convert the rear of the passenger compartment into luggage space. Sedans tend to be quieter than hatchbacks, due to a more isolated rear area.
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 1 seconds faster.
Fuel consumption
Fuel consumption (l/100km):
5.6
5.6
Fuel tank capacity:
50 litres
61 litres
Full fuel tank distance:
890 km in combined cycle
1080 km in combined cycle
1110 km on highway
1380 km on highway
810 km with real consumption
960 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Engines
Average engine lifespan:
390'000 km
390'000 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:
4.23 m
4.52 m
Width:
1.75 m
1.82 m
Height:
1.43 m
1.42 m
BMW 1 series is smaller, but slightly higher. BMW 1 series is 29 cm shorter than the BMW 3 series, 7 cm narrower, while the height of BMW 1 series is 1 cm higher.
Trunk capacity:
330 litres
460 litres
Trunk max capacity: with rear seats folded down
1150 litres
460 litres
BMW 1 series has 130 litres less trunk space than the BMW 3 series. The maximum boot capacity (with all rear seats folded down) is larger in BMW 1 series (by 690 litres).
BMW 3 series has slightly fewer faults. Deffect rate in annual technical inspection is similar for both cars, it's slightly higher for BMW 1 series, so BMW 3 series quality could be a bit better.
