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 3 series and BMW 1 series have the same engine power, the torque is the same for both cars. BMW 3 series reaches 100 km/h speed 1.6 seconds later.
Fuel consumption
Fuel consumption (l/100km):
7.3
7.3
Fuel tank capacity:
60 litres
50 litres
Full fuel tank distance:
820 km in combined cycle
680 km in combined cycle
680 km with real consumption
530 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
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:
11 years
11 years
Dimensions
Length:
4.52 m
4.23 m
Width:
1.82 m
1.75 m
Height:
1.42 m
1.43 m
BMW 3 series is larger, but slightly lower. BMW 3 series is 29 cm longer than the BMW 1 series, 7 cm wider, while the height of BMW 3 series is 1 cm lower.
Trunk capacity:
460 litres
330 litres
BMW 3 series has more luggage capacity. BMW 3 series has 130 litres more trunk space than the BMW 1 series.
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.