BMW 3 series 2001 vs BMW 1 series 2004

 
BMW 3 series
2001 - 2003
BMW 1 series
2004 - 2007
Gearbox: ManualManual
Engine: 2.0 Diesel2.0 Diesel
Camshaft drive: Timing chainTiming chain

Performance

Power: 150 HP122 HP
Torque: 330 NM280 NM
Acceleration 0-100 km/h: 8.9 seconds10 seconds
BMW 3 series is more dynamic to drive.
BMW 3 series engine produces 28 HP more power than BMW 1 series, whereas torque is 50 NM more than BMW 1 series. Thanks to more power BMW 3 series reaches 100 km/h speed 1.1 seconds faster.

Fuel consumption

Fuel consumption (l/100km): 5.55.6
Real fuel consumption: 6.5 l/100km6.1 l/100km
The BMW 1 series is a better choice in terms of fuel economy based on user-reported consumption, although the specification shows otherwise.
By specification BMW 3 series consumes 0.1 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 15 litres of fuel.
But when we compare the real fuel consumption reported by users, BMW 3 series consumes 0.4 litres more fuel per 100 km than the BMW 1 series.
Fuel tank capacity: 63 litres50 litres
Full fuel tank distance: 1140 km in combined cycle890 km in combined cycle
1430 km on highway1110 km on highway
960 km with real consumption810 km with real consumption
BMW 3 series gets more mileage on one fuel tank.

Engines

Average engine lifespan: 420'000 km390'000 km
Engine resource depends largely on regular maintenance and the quality of the oils and fuels used.
Engine production duration: 9 years9 years
Engine spread: Installed on at least 2 other car models, including BMW 1 sērija, BMW X3Used 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: 4.26 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`8951`810
Safety:
Quality:
below average

average
BMW 1 series has fewer problems.
According to annual technical inspection data BMW 3 series has serious deffects in 90 percent more cases than BMW 1 series, so BMW 1 series quality is probably significantly better
Average price (€): 22003400
Rating in user reviews: 7.9/10 8.0/10
Pros and Cons: BMW 3 sērija has
  • more power
  • more dynamic
  • more full fuel tank mileage
  • longer expected engine lifespan
  • better manoeuvrability
  • lower price
BMW 1 sērija has
  • roomier boot
  • higher safety
  • fewer faults
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