BMW 3 series 2001 vs BMW 1 series 2004

 
BMW 3 series
2001 - 2005
BMW 1 series
2004 - 2006
Gearbox: ManualManual
Engine: 1.8 Petrol1.6 Petrol
Camshaft drive: Timing chainTiming chain

Performance

Power: 116 HP116 HP
Torque: 175 NM150 NM
Acceleration 0-100 km/h: 11 seconds11 seconds
BMW 3 series and BMW 1 series have the same engine power, but BMW 3 series torque is 25 NM more than BMW 1 series.

Fuel consumption

Fuel consumption (l/100km): 6.97.5
Real fuel consumption: 8.2 l/100km8.6 l/100km
The BMW 3 series is a better choice when it comes to fuel economy.
By specification BMW 3 series consumes 0.6 litres less fuel per 100 km than the BMW 1 series, which means that by driving the BMW 3 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 3 series consumes 0.4 litres less fuel per 100 km than the BMW 1 series.
Fuel tank capacity: 63 litres50 litres
Full fuel tank distance: 910 km in combined cycle660 km in combined cycle
1180 km on highway840 km on highway
760 km with real consumption580 km with real consumption
BMW 3 series gets more mileage on one fuel tank.

Engines

Average engine lifespan: 350'000 km420'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used, but under equal conditions the average life of a BMW 1 series engine could be longer.
Engine production duration: 6 years8 years
In general, the longer and for more car models an engine is produced, the better its serviceability and availability of spare parts.

Dimensions

Length: 4.26 m4.23 m
Width: 1.75 m1.75 m
Height: 1.41 m1.43 m
Both cars are similar in size. BMW 3 series is 3 cm longer than the BMW 1 series, width is practically the same , while the height of BMW 3 series is 2 cm lower.
Trunk capacity: 310 litres330 litres
Trunk max capacity:
with rear seats folded down
1100 litres1150 litres
Despite its longer length, BMW 3 series has 20 litres less trunk space than the BMW 1 series. This could mean that the BMW 3 series uses more space in the cabin, so the driver and passengers could be more spacious and comfortable. The maximum boot capacity (with all rear seats folded down) is larger in BMW 1 series (by 50 litres).
Turning diameter: 10 meters11 meters
The turning circle of the BMW 3 series is 1 metres less than that of the BMW 1 series, which means BMW 3 series can be easier to manoeuvre in tight streets and parking spaces.
Gross weight (kg): 1`8001`705
Safety:
Quality:
low

average
BMW 1 series has fewer problems.
According to annual technical inspection data BMW 3 series has serious deffects in 20 percent more cases than BMW 1 series, so BMW 1 series quality is probably better
Average price (€): 22003400
Rating in user reviews: 7.9/10 8.0/10
Pros and Cons: BMW 3 sērija has
  • lower fuel consumption
  • more full fuel tank mileage
  • better manoeuvrability
  • lower price
BMW 1 sērija has
  • longer expected engine lifespan
  • roomier boot
  • higher safety
  • fewer faults
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