BMW 3 series 2015 vs BMW 1 series 2011

 
BMW 3 series
2015 - 2018
BMW 1 series
2011 - 2015
Body: SedanHatchback
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.
Gearbox: ManualManual
Engine: 1.5 Petrol1.6 Petrol
Camshaft drive: Timing chainTiming chain

Performance

Power: 136 HP136 HP
Torque: 220 NM220 NM
Acceleration 0-100 km/h: 8.9 seconds8.5 seconds
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 0.4 seconds later.

Fuel consumption

Fuel consumption (l/100km): 5.55.5
Fuel tank capacity: 60 litres52 litres
Full fuel tank distance: 1090 km in combined cycle940 km in combined cycle
1270 km on highway1130 km on highway
820 km with real consumption720 km with real consumption
BMW 3 series gets more mileage on one fuel tank.
Ground clearance: 140 mm (5.5 inches)140 mm (5.5 inches)

Engines

Average engine lifespan: 350'000 km320'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration: 11 years5 years
Engine spread: Installed on at least 5 other car models, including BMW 1 sērija, BMW X1, BMW 2 sērija, BMW 4 sērijaUsed also on BMW 3 sērija
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.

Dimensions

Length: 4.63 m4.32 m
Width: 1.81 m1.77 m
Height: 1.43 m1.42 m
BMW 3 series is larger.
BMW 3 series is 31 cm longer than the BMW 1 series, 5 cm wider the height of the cars does not differ significantly.
Trunk capacity: 480 litres360 litres
Trunk max capacity:
with rear seats folded down
no data1200 litres
BMW 3 series has more luggage capacity.
BMW 3 series has 120 litres more trunk space than the BMW 1 series.
Turning diameter: 11.3 meters10.9 meters
The turning circle of the BMW 3 series is 0.4 metres more than that of the BMW 1 series, which means BMW 3 series can be harder to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 1`9751`820
Safety: no data
Quality:
below average

average
BMW 1 series has fewer problems.
According to annual technical inspection data BMW 3 series has serious deffects in 10 percent more cases than BMW 1 series, so BMW 1 series quality is probably slightly better
Average price (€): 23 2008600
Pros and Cons: BMW 3 sērija has
  • more full fuel tank mileage
  • longer expected engine lifespan
  • roomier boot
BMW 1 sērija has
  • fewer faults
  • lower price
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